Quizbank/Electricity and Magnetism (calculus based)/QB153099154193

QB153099154193

QB:Ch 5:V0
QB153099154193 1) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=6\times 10^{-7}\text{m}$$.what angle does the force on $$q_2$$ make above the $$-x$$ axis if $$q_1=2e$$, $$q_2=-9e$$, and $$q_3=5e$$?
 * a) 5.272E+01 degrees
 * b) 5.799E+01 degrees
 * c) 6.379E+01 degrees
 * d) 7.017E+01 degrees
 * e) 7.719E+01 degrees

2) $$E_z(x=0,z)=\int_{-a}^b f(x,z)dx$$ is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m.  Evaluate $$f(x,y)$$ at x=0.79 m if a=0.75 m, b=2.1 m.  The total charge on the rod is 6 nC.
 * a) 5.825E+00 V/m2
 * b) 6.407E+00 V/m2
 * c) 7.048E+00 V/m2
 * d) 7.753E+00 V/m2
 * e) 8.528E+00 V/m2

3) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=4\times 10^{-7}\text{m}$$. What is the magnitude of the net force on $$q_2$$ if $$q_1=1e$$, $$q_2=-8e$$, and $$q_3=2e$$?
 * a) 1.172E-14 N
 * b) 1.290E-14 N
 * c) 1.419E-14 N
 * d) 1.561E-14 N
 * e) 1.717E-14 N

KEY:QB:Ch 5:V0
QB153099154193 1) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=6\times 10^{-7}\text{m}$$.what angle does the force on $$q_2$$ make above the $$-x$$ axis if $$q_1=2e$$, $$q_2=-9e$$, and $$q_3=5e$$?
 * -a) 5.272E+01 degrees
 * +b) 5.799E+01 degrees
 * -c) 6.379E+01 degrees
 * -d) 7.017E+01 degrees
 * -e) 7.719E+01 degrees

2) $$E_z(x=0,z)=\int_{-a}^b f(x,z)dx$$ is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m.  Evaluate $$f(x,y)$$ at x=0.79 m if a=0.75 m, b=2.1 m.  The total charge on the rod is 6 nC.
 * +a) 5.825E+00 V/m2
 * -b) 6.407E+00 V/m2
 * -c) 7.048E+00 V/m2
 * -d) 7.753E+00 V/m2
 * -e) 8.528E+00 V/m2

3) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=4\times 10^{-7}\text{m}$$. What is the magnitude of the net force on $$q_2$$ if $$q_1=1e$$, $$q_2=-8e$$, and $$q_3=2e$$?
 * -a) 1.172E-14 N
 * +b) 1.290E-14 N
 * -c) 1.419E-14 N
 * -d) 1.561E-14 N
 * -e) 1.717E-14 N

QB:Ch 5:V1
QB153099154193 1) $$E_z(x=0,z)=\int_{-a}^b f(x,z)dx$$ is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.8 m.  Evaluate $$f(x,y)$$ at x=0.5 m if a=0.67 m, b=2.4 m.  The total charge on the rod is 9 nC.
 * a) 5.465E+00 V/m2
 * b) 6.012E+00 V/m2
 * c) 6.613E+00 V/m2
 * d) 7.274E+00 V/m2
 * e) 8.002E+00 V/m2

2) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=2\times 10^{-7}\text{m}$$.what angle does the force on $$q_2$$ make above the $$-x$$ axis if $$q_1=2e$$, $$q_2=-9e$$, and $$q_3=4e$$?
 * a) 5.243E+01 degrees
 * b) 5.767E+01 degrees
 * c) 6.343E+01 degrees
 * d) 6.978E+01 degrees
 * e) 7.676E+01 degrees

3) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=4\times 10^{-7}\text{m}$$. What is the magnitude of the net force on $$q_2$$ if $$q_1=2e$$, $$q_2=-8e$$, and $$q_3=3e$$?
 * a) 2.036E-14 N
 * b) 2.240E-14 N
 * c) 2.464E-14 N
 * d) 2.710E-14 N
 * e) 2.981E-14 N

KEY:QB:Ch 5:V1
QB153099154193 1) $$E_z(x=0,z)=\int_{-a}^b f(x,z)dx$$ is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.8 m.  Evaluate $$f(x,y)$$ at x=0.5 m if a=0.67 m, b=2.4 m.  The total charge on the rod is 9 nC.
 * -a) 5.465E+00 V/m2
 * -b) 6.012E+00 V/m2
 * -c) 6.613E+00 V/m2
 * +d) 7.274E+00 V/m2
 * -e) 8.002E+00 V/m2

2) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=2\times 10^{-7}\text{m}$$.what angle does the force on $$q_2$$ make above the $$-x$$ axis if $$q_1=2e$$, $$q_2=-9e$$, and $$q_3=4e$$?
 * -a) 5.243E+01 degrees
 * -b) 5.767E+01 degrees
 * +c) 6.343E+01 degrees
 * -d) 6.978E+01 degrees
 * -e) 7.676E+01 degrees

3) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=4\times 10^{-7}\text{m}$$. What is the magnitude of the net force on $$q_2$$ if $$q_1=2e$$, $$q_2=-8e$$, and $$q_3=3e$$?
 * -a) 2.036E-14 N
 * -b) 2.240E-14 N
 * +c) 2.464E-14 N
 * -d) 2.710E-14 N
 * -e) 2.981E-14 N

QB:Ch 5:V2
QB153099154193 1) $$E_z(x=0,z)=\int_{-a}^b f(x,z)dx$$ is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m.  Evaluate $$f(x,y)$$ at x=1.1 m if a=0.62 m, b=1.3 m.  The total charge on the rod is 7 nC.
 * a) 6.311E+00 V/m2
 * b) 6.943E+00 V/m2
 * c) 7.637E+00 V/m2
 * d) 8.401E+00 V/m2
 * e) 9.241E+00 V/m2

2) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=4\times 10^{-7}\text{m}$$. What is the magnitude of the net force on $$q_2$$ if $$q_1=2e$$, $$q_2=-7e$$, and $$q_3=3e$$?
 * a) 1.473E-14 N
 * b) 1.620E-14 N
 * c) 1.782E-14 N
 * d) 1.960E-14 N
 * e) 2.156E-14 N

3) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=6\times 10^{-7}\text{m}$$.what angle does the force on $$q_2$$ make above the $$-x$$ axis if $$q_1=2e$$, $$q_2=-9e$$, and $$q_3=5e$$?
 * a) 5.272E+01 degrees
 * b) 5.799E+01 degrees
 * c) 6.379E+01 degrees
 * d) 7.017E+01 degrees
 * e) 7.719E+01 degrees

KEY:QB:Ch 5:V2
QB153099154193 1) $$E_z(x=0,z)=\int_{-a}^b f(x,z)dx$$ is an integral that calculates the z-component of the electric field at point P situated above the x-axis where a charged rod of length (a+b) is located. The distance between point P and the x-axis is z=1.5 m.  Evaluate $$f(x,y)$$ at x=1.1 m if a=0.62 m, b=1.3 m.  The total charge on the rod is 7 nC.
 * -a) 6.311E+00 V/m2
 * -b) 6.943E+00 V/m2
 * +c) 7.637E+00 V/m2
 * -d) 8.401E+00 V/m2
 * -e) 9.241E+00 V/m2

2) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=4\times 10^{-7}\text{m}$$. What is the magnitude of the net force on $$q_2$$ if $$q_1=2e$$, $$q_2=-7e$$, and $$q_3=3e$$?
 * -a) 1.473E-14 N
 * -b) 1.620E-14 N
 * -c) 1.782E-14 N
 * -d) 1.960E-14 N
 * +e) 2.156E-14 N

3) Three small charged objects are placed as shown, where $$b=2a$$, and $$a=6\times 10^{-7}\text{m}$$.what angle does the force on $$q_2$$ make above the $$-x$$ axis if $$q_1=2e$$, $$q_2=-9e$$, and $$q_3=5e$$?
 * -a) 5.272E+01 degrees
 * +b) 5.799E+01 degrees
 * -c) 6.379E+01 degrees
 * -d) 7.017E+01 degrees
 * -e) 7.719E+01 degrees

QB:Ch 6:V0
QB153099154193 1) Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.5 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.8 m, z=z0=1.7 m, and z=z1=4.6 m. The surfaces in the yz plane each have area 9.9m2. Those in the xy plane have area 8.5m2 ,and those in the zx plane have area 7.2m2. An electric field of magnitude 14 N/C has components in the y and z directions and is directed at 55&deg; from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
 * a) 8.314E+01 N&middot;m2/C
 * b) 9.146E+01 N&middot;m2/C
 * c) 1.006E+02 N&middot;m2/C
 * d) 1.107E+02 N&middot;m2/C
 * e) 1.217E+02 N&middot;m2/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
 * a) 1.096E+00 N/C
 * b) 1.206E+00 N/C
 * c) 1.327E+00 N/C
 * d) 1.459E+00 N/C
 * e) 1.605E+00 N/C

3) A non-conducting sphere of radius R=3.5 m has a non-uniform charge density that varies with the distnce from its center as given by &rho;(r)=ar1.5 (r&le;R) where a=2 nC&middot;m-1.5. What is the magnitude of the electric field at a distance of 2.2 m from the center?
 * a) 3.604E+02 N/C
 * b) 3.964E+02 N/C
 * c) 4.360E+02 N/C
 * d) 4.796E+02 N/C
 * e) 5.276E+02 N/C

KEY:QB:Ch 6:V0
QB153099154193 1) Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.5 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.8 m, z=z0=1.7 m, and z=z1=4.6 m. The surfaces in the yz plane each have area 9.9m2. Those in the xy plane have area 8.5m2 ,and those in the zx plane have area 7.2m2. An electric field of magnitude 14 N/C has components in the y and z directions and is directed at 55&deg; from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
 * +a) 8.314E+01 N&middot;m2/C
 * -b) 9.146E+01 N&middot;m2/C
 * -c) 1.006E+02 N&middot;m2/C
 * -d) 1.107E+02 N&middot;m2/C
 * -e) 1.217E+02 N&middot;m2/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
 * -a) 1.096E+00 N/C
 * -b) 1.206E+00 N/C
 * -c) 1.327E+00 N/C
 * -d) 1.459E+00 N/C
 * +e) 1.605E+00 N/C

3) A non-conducting sphere of radius R=3.5 m has a non-uniform charge density that varies with the distnce from its center as given by &rho;(r)=ar1.5 (r&le;R) where a=2 nC&middot;m-1.5. What is the magnitude of the electric field at a distance of 2.2 m from the center?
 * +a) 3.604E+02 N/C
 * -b) 3.964E+02 N/C
 * -c) 4.360E+02 N/C
 * -d) 4.796E+02 N/C
 * -e) 5.276E+02 N/C

QB:Ch 6:V1
QB153099154193 1) A non-conducting sphere of radius R=3.3 m has a non-uniform charge density that varies with the distnce from its center as given by &rho;(r)=ar1.4 (r&le;R) where a=2 nC&middot;m-1.6. What is the magnitude of the electric field at a distance of 1.5 m from the center?
 * a) 1.123E+02 N/C
 * b) 1.235E+02 N/C
 * c) 1.358E+02 N/C
 * d) 1.494E+02 N/C
 * e) 1.644E+02 N/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
 * a) 1.096E+00 N/C
 * b) 1.206E+00 N/C
 * c) 1.327E+00 N/C
 * d) 1.459E+00 N/C
 * e) 1.605E+00 N/C

3) Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.6 m. The other four surfaces are rectangles in y=y0=1.5 m, y=y1=4.4 m, z=z0=1.5 m, and z=z1=5.5 m. The surfaces in the yz plane each have area 12.0m2. Those in the xy plane have area 4.6m2 ,and those in the zx plane have area 6.4m2. An electric field of magnitude 8 N/C has components in the y and z directions and is directed at 39&deg; from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
 * a) 3.222E+01 N&middot;m2/C
 * b) 3.544E+01 N&middot;m2/C
 * c) 3.899E+01 N&middot;m2/C
 * d) 4.289E+01 N&middot;m2/C
 * e) 4.718E+01 N&middot;m2/C

KEY:QB:Ch 6:V1
QB153099154193 1) A non-conducting sphere of radius R=3.3 m has a non-uniform charge density that varies with the distnce from its center as given by &rho;(r)=ar1.4 (r&le;R) where a=2 nC&middot;m-1.6. What is the magnitude of the electric field at a distance of 1.5 m from the center?
 * -a) 1.123E+02 N/C
 * -b) 1.235E+02 N/C
 * +c) 1.358E+02 N/C
 * -d) 1.494E+02 N/C
 * -e) 1.644E+02 N/C

2) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
 * -a) 1.096E+00 N/C
 * -b) 1.206E+00 N/C
 * -c) 1.327E+00 N/C
 * -d) 1.459E+00 N/C
 * +e) 1.605E+00 N/C

3) Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=1.6 m. The other four surfaces are rectangles in y=y0=1.5 m, y=y1=4.4 m, z=z0=1.5 m, and z=z1=5.5 m. The surfaces in the yz plane each have area 12.0m2. Those in the xy plane have area 4.6m2 ,and those in the zx plane have area 6.4m2. An electric field of magnitude 8 N/C has components in the y and z directions and is directed at 39&deg; from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
 * +a) 3.222E+01 N&middot;m2/C
 * -b) 3.544E+01 N&middot;m2/C
 * -c) 3.899E+01 N&middot;m2/C
 * -d) 4.289E+01 N&middot;m2/C
 * -e) 4.718E+01 N&middot;m2/C

QB:Ch 6:V2
QB153099154193 1) Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.7 m, z=z0=1.8 m, and z=z1=4.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 9.2m2 ,and those in the zx plane have area 8.1m2. An electric field of magnitude 6 N/C has components in the y and z directions and is directed at 32&deg; from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
 * a) 2.134E+01 N&middot;m2/C
 * b) 2.347E+01 N&middot;m2/C
 * c) 2.582E+01 N&middot;m2/C
 * d) 2.840E+01 N&middot;m2/C
 * e) 3.124E+01 N&middot;m2/C

2) A non-conducting sphere of radius R=3.8 m has a non-uniform charge density that varies with the distnce from its center as given by &rho;(r)=ar1.5 (r&le;R) where a=2 nC&middot;m-1.5. What is the magnitude of the electric field at a distance of 3.0 m from the center?
 * a) 7.825E+02 N/C
 * b) 8.607E+02 N/C
 * c) 9.468E+02 N/C
 * d) 1.041E+03 N/C
 * e) 1.146E+03 N/C

3) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
 * a) 1.096E+00 N/C
 * b) 1.206E+00 N/C
 * c) 1.327E+00 N/C
 * d) 1.459E+00 N/C
 * e) 1.605E+00 N/C

KEY:QB:Ch 6:V2
QB153099154193 1) Each surface of the rectangular box shown is aligned with the xyz coordinate system. Two surfaces occupy identical rectangles in the planes x=0 and x=x1=2.8 m. The other four surfaces are rectangles in y=y0=1.4 m, y=y1=4.7 m, z=z0=1.8 m, and z=z1=4.7 m. The surfaces in the yz plane each have area 9.6m2. Those in the xy plane have area 9.2m2 ,and those in the zx plane have area 8.1m2. An electric field of magnitude 6 N/C has components in the y and z directions and is directed at 32&deg; from the z-axis. What is the magnitude (absolute value) of the electric flux through a surface aligned parallel to the xz plane?
 * -a) 2.134E+01 N&middot;m2/C
 * -b) 2.347E+01 N&middot;m2/C
 * +c) 2.582E+01 N&middot;m2/C
 * -d) 2.840E+01 N&middot;m2/C
 * -e) 3.124E+01 N&middot;m2/C

2) A non-conducting sphere of radius R=3.8 m has a non-uniform charge density that varies with the distnce from its center as given by &rho;(r)=ar1.5 (r&le;R) where a=2 nC&middot;m-1.5. What is the magnitude of the electric field at a distance of 3.0 m from the center?
 * +a) 7.825E+02 N/C
 * -b) 8.607E+02 N/C
 * -c) 9.468E+02 N/C
 * -d) 1.041E+03 N/C
 * -e) 1.146E+03 N/C

3) Five concentric spherical shells have radius of exactly (1m, 2m, 3m, 4m, 5m).Each is uniformly charged with 1.2 nano-Coulombs. What is the magnitude of the electric field at a distance of 5.8 m from the center of the shells?
 * -a) 1.096E+00 N/C
 * -b) 1.206E+00 N/C
 * -c) 1.327E+00 N/C
 * -d) 1.459E+00 N/C
 * +e) 1.605E+00 N/C

QB:Ch 7:V0
QB153099154193 1) Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.)  The charges are q1=3 &mu;C, q2=6 &mu;C, q3=9 &mu;C, and q4=11 &mu;C. How much work was required to assemble these four charges from infinity?
 * a) 4.554E+01 J
 * b) 5.009E+01 J
 * c) 5.510E+01 J
 * d) 6.061E+01 J
 * e) 6.667E+01 J

2) A 7 C charge is separated from a 12 C charge by distance of 9 cm.  What is the work done by increasing this separation to 15 cm?
 * a) 2.292E-06 J
 * b) 2.521E-06 J
 * c) 2.773E-06 J
 * d) 3.050E-06 J
 * e) 3.355E-06 J

3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 69 V.
 * a) 3.365E+06 m/s
 * b) 3.701E+06 m/s
 * c) 4.072E+06 m/s
 * d) 4.479E+06 m/s
 * e) 4.927E+06 m/s

KEY:QB:Ch 7:V0
QB153099154193 1) Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.)  The charges are q1=3 &mu;C, q2=6 &mu;C, q3=9 &mu;C, and q4=11 &mu;C. How much work was required to assemble these four charges from infinity?
 * -a) 4.554E+01 J
 * -b) 5.009E+01 J
 * -c) 5.510E+01 J
 * +d) 6.061E+01 J
 * -e) 6.667E+01 J

2) A 7 C charge is separated from a 12 C charge by distance of 9 cm.  What is the work done by increasing this separation to 15 cm?
 * -a) 2.292E-06 J
 * -b) 2.521E-06 J
 * -c) 2.773E-06 J
 * -d) 3.050E-06 J
 * +e) 3.355E-06 J

3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 69 V.
 * -a) 3.365E+06 m/s
 * -b) 3.701E+06 m/s
 * -c) 4.072E+06 m/s
 * -d) 4.479E+06 m/s
 * +e) 4.927E+06 m/s

QB:Ch 7:V1
QB153099154193 1) A 8 C charge is separated from a 12 C charge by distance of 9 cm.  What is the work done by increasing this separation to 18 cm?
 * a) 3.274E-06 J
 * b) 3.601E-06 J
 * c) 3.961E-06 J
 * d) 4.358E-06 J
 * e) 4.793E-06 J

2) Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.)  The charges are q1=3 &mu;C, q2=6 &mu;C, q3=7 &mu;C, and q4=9 &mu;C. How much work was required to assemble these four charges from infinity?
 * a) 3.116E+01 J
 * b) 3.427E+01 J
 * c) 3.770E+01 J
 * d) 4.147E+01 J
 * e) 4.562E+01 J

3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
 * a) 4.411E+06 m/s
 * b) 4.853E+06 m/s
 * c) 5.338E+06 m/s
 * d) 5.872E+06 m/s
 * e) 6.459E+06 m/s

KEY:QB:Ch 7:V1
QB153099154193 1) A 8 C charge is separated from a 12 C charge by distance of 9 cm.  What is the work done by increasing this separation to 18 cm?
 * -a) 3.274E-06 J
 * -b) 3.601E-06 J
 * -c) 3.961E-06 J
 * -d) 4.358E-06 J
 * +e) 4.793E-06 J

2) Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.)  The charges are q1=3 &mu;C, q2=6 &mu;C, q3=7 &mu;C, and q4=9 &mu;C. How much work was required to assemble these four charges from infinity?
 * -a) 3.116E+01 J
 * -b) 3.427E+01 J
 * -c) 3.770E+01 J
 * -d) 4.147E+01 J
 * +e) 4.562E+01 J

3) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
 * -a) 4.411E+06 m/s
 * -b) 4.853E+06 m/s
 * +c) 5.338E+06 m/s
 * -d) 5.872E+06 m/s
 * -e) 6.459E+06 m/s

QB:Ch 7:V2
QB153099154193 1) Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.)  The charges are q1=3 &mu;C, q2=6 &mu;C, q3=7 &mu;C, and q4=10 &mu;C. How much work was required to assemble these four charges from infinity?
 * a) 4.438E+01 J
 * b) 4.882E+01 J
 * c) 5.370E+01 J
 * d) 5.907E+01 J
 * e) 6.498E+01 J

2) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
 * a) 4.411E+06 m/s
 * b) 4.853E+06 m/s
 * c) 5.338E+06 m/s
 * d) 5.872E+06 m/s
 * e) 6.459E+06 m/s

3) A 5 C charge is separated from a 12 C charge by distance of 10 cm.  What is the work done by increasing this separation to 16 cm?
 * a) 1.381E-06 J
 * b) 1.519E-06 J
 * c) 1.671E-06 J
 * d) 1.838E-06 J
 * e) 2.022E-06 J

KEY:QB:Ch 7:V2
QB153099154193 1) Four charges lie at the corners of a 4 cm by 4 cm square as shown (i.e., a=b=4 cm.)  The charges are q1=3 &mu;C, q2=6 &mu;C, q3=7 &mu;C, and q4=10 &mu;C. How much work was required to assemble these four charges from infinity?
 * -a) 4.438E+01 J
 * +b) 4.882E+01 J
 * -c) 5.370E+01 J
 * -d) 5.907E+01 J
 * -e) 6.498E+01 J

2) Calculate the final speed of a free electron accelerated from rest through a potential difference of 81 V.
 * -a) 4.411E+06 m/s
 * -b) 4.853E+06 m/s
 * +c) 5.338E+06 m/s
 * -d) 5.872E+06 m/s
 * -e) 6.459E+06 m/s

3) A 5 C charge is separated from a 12 C charge by distance of 10 cm.  What is the work done by increasing this separation to 16 cm?
 * -a) 1.381E-06 J
 * -b) 1.519E-06 J
 * -c) 1.671E-06 J
 * -d) 1.838E-06 J
 * +e) 2.022E-06 J

QB:Ch 8:V0
QB153099154193 1) In the figure shown C1=17.1 &mu;F, C2=2.87 &mu;F, and C3=4.74 &mu;F. The voltage source provides &epsilon;=6.63 V. What is the charge on C1?
 * a) 2.385E+01 &mu;C
 * b) 2.623E+01 &mu;C
 * c) 2.886E+01 &mu;C
 * d) 3.174E+01 &mu;C
 * e) 3.492E+01 &mu;C

2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?
 * a) 2.249E+01 &mu;C
 * b) 2.473E+01 &mu;C
 * c) 2.721E+01 &mu;C
 * d) 2.993E+01 &mu;C
 * e) 3.292E+01 &mu;C

3) In the figure shown C1=17.2 &mu;F, C2=2.71 &mu;F, and C3=5.28 &mu;F. The voltage source provides &epsilon;=13.2 V. What is the energy stored in C2?
 * a) 2.443E+01 &mu;J
 * b) 2.687E+01 &mu;J
 * c) 2.955E+01 &mu;J
 * d) 3.251E+01 &mu;J
 * e) 3.576E+01 &mu;J

KEY:QB:Ch 8:V0
QB153099154193 1) In the figure shown C1=17.1 &mu;F, C2=2.87 &mu;F, and C3=4.74 &mu;F. The voltage source provides &epsilon;=6.63 V. What is the charge on C1?
 * -a) 2.385E+01 &mu;C
 * -b) 2.623E+01 &mu;C
 * -c) 2.886E+01 &mu;C
 * -d) 3.174E+01 &mu;C
 * +e) 3.492E+01 &mu;C

2) An empty parallel-plate capacitor with metal plates has an area of 2.21 m2, separated by 1.25 mm. How much charge does it store if the voltage is 1.580E+03 V?
 * -a) 2.249E+01 &mu;C
 * +b) 2.473E+01 &mu;C
 * -c) 2.721E+01 &mu;C
 * -d) 2.993E+01 &mu;C
 * -e) 3.292E+01 &mu;C

3) In the figure shown C1=17.2 &mu;F, C2=2.71 &mu;F, and C3=5.28 &mu;F. The voltage source provides &epsilon;=13.2 V. What is the energy stored in C2?
 * +a) 2.443E+01 &mu;J
 * -b) 2.687E+01 &mu;J
 * -c) 2.955E+01 &mu;J
 * -d) 3.251E+01 &mu;J
 * -e) 3.576E+01 &mu;J

QB:Ch 8:V1
QB153099154193 1) In the figure shown C1=17.8 &mu;F, C2=2.22 &mu;F, and C3=5.71 &mu;F. The voltage source provides &epsilon;=13.9 V. What is the charge on C1?
 * a) 7.625E+01 &mu;C
 * b) 8.388E+01 &mu;C
 * c) 9.227E+01 &mu;C
 * d) 1.015E+02 &mu;C
 * e) 1.116E+02 &mu;C

2) In the figure shown C1=19.2 &mu;F, C2=2.71 &mu;F, and C3=5.52 &mu;F. The voltage source provides &epsilon;=15.0 V. What is the energy stored in C2?
 * a) 2.138E+01 &mu;J
 * b) 2.352E+01 &mu;J
 * c) 2.587E+01 &mu;J
 * d) 2.845E+01 &mu;J
 * e) 3.130E+01 &mu;J

3) An empty parallel-plate capacitor with metal plates has an area of 2.84 m2, separated by 1.42 mm. How much charge does it store if the voltage is 1.510E+03 V?
 * a) 1.826E+01 &mu;C
 * b) 2.009E+01 &mu;C
 * c) 2.210E+01 &mu;C
 * d) 2.431E+01 &mu;C
 * e) 2.674E+01 &mu;C

KEY:QB:Ch 8:V1
QB153099154193 1) In the figure shown C1=17.8 &mu;F, C2=2.22 &mu;F, and C3=5.71 &mu;F. The voltage source provides &epsilon;=13.9 V. What is the charge on C1?
 * +a) 7.625E+01 &mu;C
 * -b) 8.388E+01 &mu;C
 * -c) 9.227E+01 &mu;C
 * -d) 1.015E+02 &mu;C
 * -e) 1.116E+02 &mu;C

2) In the figure shown C1=19.2 &mu;F, C2=2.71 &mu;F, and C3=5.52 &mu;F. The voltage source provides &epsilon;=15.0 V. What is the energy stored in C2?
 * -a) 2.138E+01 &mu;J
 * -b) 2.352E+01 &mu;J
 * -c) 2.587E+01 &mu;J
 * +d) 2.845E+01 &mu;J
 * -e) 3.130E+01 &mu;J

3) An empty parallel-plate capacitor with metal plates has an area of 2.84 m2, separated by 1.42 mm. How much charge does it store if the voltage is 1.510E+03 V?
 * -a) 1.826E+01 &mu;C
 * -b) 2.009E+01 &mu;C
 * -c) 2.210E+01 &mu;C
 * -d) 2.431E+01 &mu;C
 * +e) 2.674E+01 &mu;C

QB:Ch 8:V2
QB153099154193 1) In the figure shown C1=17.2 &mu;F, C2=2.71 &mu;F, and C3=5.28 &mu;F. The voltage source provides &epsilon;=13.2 V. What is the energy stored in C2?
 * a) 2.443E+01 &mu;J
 * b) 2.687E+01 &mu;J
 * c) 2.955E+01 &mu;J
 * d) 3.251E+01 &mu;J
 * e) 3.576E+01 &mu;J

2) An empty parallel-plate capacitor with metal plates has an area of 2.66 m2, separated by 1.18 mm. How much charge does it store if the voltage is 6.170E+03 V?
 * a) 1.231E+02 &mu;C
 * b) 1.355E+02 &mu;C
 * c) 1.490E+02 &mu;C
 * d) 1.639E+02 &mu;C
 * e) 1.803E+02 &mu;C

3) In the figure shown C1=15.0 &mu;F, C2=2.65 &mu;F, and C3=5.67 &mu;F. The voltage source provides &epsilon;=7.44 V. What is the charge on C1?
 * a) 3.982E+01 &mu;C
 * b) 4.380E+01 &mu;C
 * c) 4.818E+01 &mu;C
 * d) 5.300E+01 &mu;C
 * e) 5.829E+01 &mu;C

KEY:QB:Ch 8:V2
QB153099154193 1) In the figure shown C1=17.2 &mu;F, C2=2.71 &mu;F, and C3=5.28 &mu;F. The voltage source provides &epsilon;=13.2 V. What is the energy stored in C2?
 * +a) 2.443E+01 &mu;J
 * -b) 2.687E+01 &mu;J
 * -c) 2.955E+01 &mu;J
 * -d) 3.251E+01 &mu;J
 * -e) 3.576E+01 &mu;J

2) An empty parallel-plate capacitor with metal plates has an area of 2.66 m2, separated by 1.18 mm. How much charge does it store if the voltage is 6.170E+03 V?
 * +a) 1.231E+02 &mu;C
 * -b) 1.355E+02 &mu;C
 * -c) 1.490E+02 &mu;C
 * -d) 1.639E+02 &mu;C
 * -e) 1.803E+02 &mu;C

3) In the figure shown C1=15.0 &mu;F, C2=2.65 &mu;F, and C3=5.67 &mu;F. The voltage source provides &epsilon;=7.44 V. What is the charge on C1?
 * +a) 3.982E+01 &mu;C
 * -b) 4.380E+01 &mu;C
 * -c) 4.818E+01 &mu;C
 * -d) 5.300E+01 &mu;C
 * -e) 5.829E+01 &mu;C

QB:Ch 9:V0
QB153099154193 1) Calculate the drift speed of electrons in a copper wire with a diameter of 4.9 mm carrying a 6.43 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
 * a) 2.109E-05 m/s
 * b) 2.320E-05 m/s
 * c) 2.552E-05 m/s
 * d) 2.807E-05 m/s
 * e) 3.088E-05 m/s

2) Calculate the resistance of a 12-gauge copper wire that is 48 m long and carries a current of 50 mA. The resistivity of copper is 1.680E-08 &Omega;&middot;m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
 * a) 2.215E-01 &Omega;
 * b) 2.436E-01 &Omega;
 * c) 2.680E-01 &Omega;
 * d) 2.948E-01 &Omega;
 * e) 3.243E-01 &Omega;

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.56 &Omega; at a temperature of 97&deg;C and that the temperature coefficient of expansion is 5.020E-03 (&deg;C)&minus;1). What is the resistance at a temperature of 340 &deg;C?
 * a) 3.463E+00 &Omega;
 * b) 3.636E+00 &Omega;
 * c) 3.818E+00 &Omega;
 * d) 4.009E+00 &Omega;
 * e) 4.209E+00 &Omega;

KEY:QB:Ch 9:V0
QB153099154193 1) Calculate the drift speed of electrons in a copper wire with a diameter of 4.9 mm carrying a 6.43 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
 * -a) 2.109E-05 m/s
 * -b) 2.320E-05 m/s
 * +c) 2.552E-05 m/s
 * -d) 2.807E-05 m/s
 * -e) 3.088E-05 m/s

2) Calculate the resistance of a 12-gauge copper wire that is 48 m long and carries a current of 50 mA. The resistivity of copper is 1.680E-08 &Omega;&middot;m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
 * -a) 2.215E-01 &Omega;
 * +b) 2.436E-01 &Omega;
 * -c) 2.680E-01 &Omega;
 * -d) 2.948E-01 &Omega;
 * -e) 3.243E-01 &Omega;

3) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.56 &Omega; at a temperature of 97&deg;C and that the temperature coefficient of expansion is 5.020E-03 (&deg;C)&minus;1). What is the resistance at a temperature of 340 &deg;C?
 * +a) 3.463E+00 &Omega;
 * -b) 3.636E+00 &Omega;
 * -c) 3.818E+00 &Omega;
 * -d) 4.009E+00 &Omega;
 * -e) 4.209E+00 &Omega;

QB:Ch 9:V1
QB153099154193 1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 &Omega;&middot;m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
 * a) 2.631E-01 &Omega;
 * b) 2.894E-01 &Omega;
 * c) 3.184E-01 &Omega;
 * d) 3.502E-01 &Omega;
 * e) 3.852E-01 &Omega;

2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.52 &Omega; at a temperature of 45&deg;C and that the temperature coefficient of expansion is 4.330E-03 (&deg;C)&minus;1). What is the resistance at a temperature of 479 &deg;C?
 * a) 3.970E+00 &Omega;
 * b) 4.168E+00 &Omega;
 * c) 4.376E+00 &Omega;
 * d) 4.595E+00 &Omega;
 * e) 4.825E+00 &Omega;

3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.46 mm carrying a 5.05 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
 * a) 1.614E-05 m/s
 * b) 1.776E-05 m/s
 * c) 1.953E-05 m/s
 * d) 2.149E-05 m/s
 * e) 2.363E-05 m/s

KEY:QB:Ch 9:V1
QB153099154193 1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 &Omega;&middot;m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
 * -a) 2.631E-01 &Omega;
 * -b) 2.894E-01 &Omega;
 * -c) 3.184E-01 &Omega;
 * +d) 3.502E-01 &Omega;
 * -e) 3.852E-01 &Omega;

2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 1.52 &Omega; at a temperature of 45&deg;C and that the temperature coefficient of expansion is 4.330E-03 (&deg;C)&minus;1). What is the resistance at a temperature of 479 &deg;C?
 * -a) 3.970E+00 &Omega;
 * -b) 4.168E+00 &Omega;
 * +c) 4.376E+00 &Omega;
 * -d) 4.595E+00 &Omega;
 * -e) 4.825E+00 &Omega;

3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.46 mm carrying a 5.05 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
 * +a) 1.614E-05 m/s
 * -b) 1.776E-05 m/s
 * -c) 1.953E-05 m/s
 * -d) 2.149E-05 m/s
 * -e) 2.363E-05 m/s

QB:Ch 9:V2
QB153099154193 1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 &Omega;&middot;m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
 * a) 2.631E-01 &Omega;
 * b) 2.894E-01 &Omega;
 * c) 3.184E-01 &Omega;
 * d) 3.502E-01 &Omega;
 * e) 3.852E-01 &Omega;

2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.94 &Omega; at a temperature of 30&deg;C and that the temperature coefficient of expansion is 5.900E-03 (&deg;C)&minus;1). What is the resistance at a temperature of 445 &deg;C?
 * a) 1.014E+01 &Omega;
 * b) 1.065E+01 &Omega;
 * c) 1.118E+01 &Omega;
 * d) 1.174E+01 &Omega;
 * e) 1.232E+01 &Omega;

3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.71 mm carrying a 7.54 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
 * a) 2.204E-05 m/s
 * b) 2.424E-05 m/s
 * c) 2.667E-05 m/s
 * d) 2.933E-05 m/s
 * e) 3.227E-05 m/s

KEY:QB:Ch 9:V2
QB153099154193 1) Calculate the resistance of a 12-gauge copper wire that is 69 m long and carries a current of 98 mA. The resistivity of copper is 1.680E-08 &Omega;&middot;m and 12-gauge wire as a cross-sectional area of 3.31 mm2.
 * -a) 2.631E-01 &Omega;
 * -b) 2.894E-01 &Omega;
 * -c) 3.184E-01 &Omega;
 * +d) 3.502E-01 &Omega;
 * -e) 3.852E-01 &Omega;

2) Imagine a substance could be made into a very hot filament. Suppose the resitance is 2.94 &Omega; at a temperature of 30&deg;C and that the temperature coefficient of expansion is 5.900E-03 (&deg;C)&minus;1). What is the resistance at a temperature of 445 &deg;C?
 * +a) 1.014E+01 &Omega;
 * -b) 1.065E+01 &Omega;
 * -c) 1.118E+01 &Omega;
 * -d) 1.174E+01 &Omega;
 * -e) 1.232E+01 &Omega;

3) Calculate the drift speed of electrons in a copper wire with a diameter of 5.71 mm carrying a 7.54 A current, given that there is one free electron per copper atom. The density of copper is 8.80 x 103kg/m3 and the atomic mass of copper is 63.54 g/mol. Avagadro's number is 6.02 x 1023atoms/mol.
 * +a) 2.204E-05 m/s
 * -b) 2.424E-05 m/s
 * -c) 2.667E-05 m/s
 * -d) 2.933E-05 m/s
 * -e) 3.227E-05 m/s

QB:Ch 10:V0
QB153099154193 1) The resistances in the figure shown are R1= 2.41 &Omega;, R2= 1.74 &Omega;, and R2= 3.35 &Omega;. V1 and V3 are text 0.508 V and 1.36 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=&minus;0.595 V. What is the absolute value of the current through R1?
 * a) 1.203E-01 A
 * b) 1.324E-01 A
 * c) 1.456E-01 A
 * d) 1.602E-01 A
 * e) 1.762E-01 A

2) In the circuit shown V=17.8 V, R1=2.27 &Omega;, R2=6.79 &Omega;, and R3=15.1 &Omega;. What is the power dissipated by R2?
 * a) 1.446E+01 W
 * b) 1.591E+01 W
 * c) 1.750E+01 W
 * d) 1.925E+01 W
 * e) 2.117E+01 W

3) Two sources of emf &epsilon;1=67.2 V, and  &epsilon;2=18.7 V are oriented as shownin the circuit. The resistances are R1=3.45 k&Omega; and  R2=1.2 k&Omega;.  Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown.  I3=9.49 mA and I4=1.81 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
 * a) 1.906E+01 V
 * b) 2.097E+01 V
 * c) 2.306E+01 V
 * d) 2.537E+01 V
 * e) 2.790E+01 V

KEY:QB:Ch 10:V0
QB153099154193 1) The resistances in the figure shown are R1= 2.41 &Omega;, R2= 1.74 &Omega;, and R2= 3.35 &Omega;. V1 and V3 are text 0.508 V and 1.36 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=&minus;0.595 V. What is the absolute value of the current through R1?
 * -a) 1.203E-01 A
 * -b) 1.324E-01 A
 * +c) 1.456E-01 A
 * -d) 1.602E-01 A
 * -e) 1.762E-01 A

2) In the circuit shown V=17.8 V, R1=2.27 &Omega;, R2=6.79 &Omega;, and R3=15.1 &Omega;. What is the power dissipated by R2?
 * -a) 1.446E+01 W
 * -b) 1.591E+01 W
 * -c) 1.750E+01 W
 * -d) 1.925E+01 W
 * +e) 2.117E+01 W

3) Two sources of emf &epsilon;1=67.2 V, and  &epsilon;2=18.7 V are oriented as shownin the circuit. The resistances are R1=3.45 k&Omega; and  R2=1.2 k&Omega;.  Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown.  I3=9.49 mA and I4=1.81 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
 * -a) 1.906E+01 V
 * +b) 2.097E+01 V
 * -c) 2.306E+01 V
 * -d) 2.537E+01 V
 * -e) 2.790E+01 V

QB:Ch 10:V1
QB153099154193 1) Two sources of emf &epsilon;1=36.7 V, and  &epsilon;2=13.6 V are oriented as shownin the circuit. The resistances are R1=2.86 k&Omega; and  R2=2.2 k&Omega;.  Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown.  I3=3.02 mA and I4=0.854 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
 * a) 1.380E+01 V
 * b) 1.518E+01 V
 * c) 1.670E+01 V
 * d) 1.837E+01 V
 * e) 2.020E+01 V

2) In the circuit shown V=11.8 V, R1=2.38 &Omega;, R2=5.11 &Omega;, and R3=14.6 &Omega;. What is the power dissipated by R2?
 * a) 8.489E+00 W
 * b) 9.338E+00 W
 * c) 1.027E+01 W
 * d) 1.130E+01 W
 * e) 1.243E+01 W

3) The resistances in the figure shown are R1= 2.42 &Omega;, R2= 1.09 &Omega;, and R2= 3.89 &Omega;. V1 and V3 are text 0.677 V and 1.86 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=&minus;0.745 V. What is the absolute value of the current through R1?
 * a) 2.089E-01 A
 * b) 2.298E-01 A
 * c) 2.528E-01 A
 * d) 2.781E-01 A
 * e) 3.059E-01 A

KEY:QB:Ch 10:V1
QB153099154193 1) Two sources of emf &epsilon;1=36.7 V, and  &epsilon;2=13.6 V are oriented as shownin the circuit. The resistances are R1=2.86 k&Omega; and  R2=2.2 k&Omega;.  Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown.  I3=3.02 mA and I4=0.854 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
 * +a) 1.380E+01 V
 * -b) 1.518E+01 V
 * -c) 1.670E+01 V
 * -d) 1.837E+01 V
 * -e) 2.020E+01 V

2) In the circuit shown V=11.8 V, R1=2.38 &Omega;, R2=5.11 &Omega;, and R3=14.6 &Omega;. What is the power dissipated by R2?
 * -a) 8.489E+00 W
 * -b) 9.338E+00 W
 * +c) 1.027E+01 W
 * -d) 1.130E+01 W
 * -e) 1.243E+01 W

3) The resistances in the figure shown are R1= 2.42 &Omega;, R2= 1.09 &Omega;, and R2= 3.89 &Omega;. V1 and V3 are text 0.677 V and 1.86 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=&minus;0.745 V. What is the absolute value of the current through R1?
 * -a) 2.089E-01 A
 * -b) 2.298E-01 A
 * +c) 2.528E-01 A
 * -d) 2.781E-01 A
 * -e) 3.059E-01 A

QB:Ch 10:V2
QB153099154193 1) Two sources of emf &epsilon;1=40.9 V, and  &epsilon;2=16.1 V are oriented as shownin the circuit. The resistances are R1=5.55 k&Omega; and  R2=1.55 k&Omega;.  Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown.  I3=6.11 mA and I4=1.06 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
 * a) 8.754E+00 V
 * b) 9.630E+00 V
 * c) 1.059E+01 V
 * d) 1.165E+01 V
 * e) 1.282E+01 V

2) In the circuit shown V=17.9 V, R1=1.3 &Omega;, R2=5.1 &Omega;, and R3=12.1 &Omega;. What is the power dissipated by R2?
 * a) 2.543E+01 W
 * b) 2.798E+01 W
 * c) 3.077E+01 W
 * d) 3.385E+01 W
 * e) 3.724E+01 W

3) The resistances in the figure shown are R1= 1.81 &Omega;, R2= 1.18 &Omega;, and R2= 2.62 &Omega;. V1 and V3 are text 0.628 V and 2.54 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=&minus;0.748 V. What is the absolute value of the current through R1?
 * a) 1.552E-01 A
 * b) 1.707E-01 A
 * c) 1.878E-01 A
 * d) 2.065E-01 A
 * e) 2.272E-01 A

KEY:QB:Ch 10:V2
QB153099154193 1) Two sources of emf &epsilon;1=40.9 V, and  &epsilon;2=16.1 V are oriented as shownin the circuit. The resistances are R1=5.55 k&Omega; and  R2=1.55 k&Omega;.  Three other currents enter and exit or exit from portions of the circuit that lie outside the dotted rectangle and are not shown.  I3=6.11 mA and I4=1.06 mA enter and leave near R2, while the current I5 exits near R1.What is the magnitude (absolute value) of voltage drop across R2?
 * -a) 8.754E+00 V
 * -b) 9.630E+00 V
 * -c) 1.059E+01 V
 * -d) 1.165E+01 V
 * +e) 1.282E+01 V

2) In the circuit shown V=17.9 V, R1=1.3 &Omega;, R2=5.1 &Omega;, and R3=12.1 &Omega;. What is the power dissipated by R2?
 * -a) 2.543E+01 W
 * -b) 2.798E+01 W
 * -c) 3.077E+01 W
 * +d) 3.385E+01 W
 * -e) 3.724E+01 W

3) The resistances in the figure shown are R1= 1.81 &Omega;, R2= 1.18 &Omega;, and R2= 2.62 &Omega;. V1 and V3 are text 0.628 V and 2.54 V, respectively. But V2 is opposite to that shown in the figure, or, equivalently, V2=&minus;0.748 V. What is the absolute value of the current through R1?
 * -a) 1.552E-01 A
 * -b) 1.707E-01 A
 * -c) 1.878E-01 A
 * -d) 2.065E-01 A
 * +e) 2.272E-01 A

QB:Ch 11:V0
QB153099154193 1) A cyclotron used to accelerate alpha particlesm=6.64 x 10&minus;27kg, q=3.2 x 10&minus;19C) has a radius of 0.157 m and a magneticfield of 1.03 T. What is their maximum kinetic energy?
 * a) 8.608E-01 MeV
 * b) 9.468E-01 MeV
 * c) 1.042E+00 MeV
 * d) 1.146E+00 MeV
 * e) 1.260E+00 MeV

2) An alpha-particle (q=3.2x10&minus;19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.55 T. What is the  x-component of the force on the alpha-particle if it is moving with a velocity (1.96 i + 1.68 j  + 6.92 k) x 104 m/s?
 * a) 4.179E-14 N
 * b) 4.596E-14 N
 * c) 5.056E-14 N
 * d) 5.562E-14 N
 * e) 6.118E-14 N

3) A charged particle in a magnetic field of 3.410E-04 T is moving perpendicular to the magnetic field with a speed of 5.010E+05 m/s. What is the period of orbit if orbital radius is 0.508 m?
 * a) 5.792E-06 s
 * b) 6.371E-06 s
 * c) 7.008E-06 s
 * d) 7.709E-06 s
 * e) 8.480E-06 s

KEY:QB:Ch 11:V0
QB153099154193 1) A cyclotron used to accelerate alpha particlesm=6.64 x 10&minus;27kg, q=3.2 x 10&minus;19C) has a radius of 0.157 m and a magneticfield of 1.03 T. What is their maximum kinetic energy?
 * -a) 8.608E-01 MeV
 * -b) 9.468E-01 MeV
 * -c) 1.042E+00 MeV
 * -d) 1.146E+00 MeV
 * +e) 1.260E+00 MeV

2) An alpha-particle (q=3.2x10&minus;19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 8.55 T. What is the  x-component of the force on the alpha-particle if it is moving with a velocity (1.96 i + 1.68 j  + 6.92 k) x 104 m/s?
 * -a) 4.179E-14 N
 * +b) 4.596E-14 N
 * -c) 5.056E-14 N
 * -d) 5.562E-14 N
 * -e) 6.118E-14 N

3) A charged particle in a magnetic field of 3.410E-04 T is moving perpendicular to the magnetic field with a speed of 5.010E+05 m/s. What is the period of orbit if orbital radius is 0.508 m?
 * -a) 5.792E-06 s
 * +b) 6.371E-06 s
 * -c) 7.008E-06 s
 * -d) 7.709E-06 s
 * -e) 8.480E-06 s

QB:Ch 11:V1
QB153099154193 1) An alpha-particle (q=3.2x10&minus;19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the  x-component of the force on the alpha-particle if it is moving with a velocity (1.81 i + 2.05 j  + 4.49 k) x 104 m/s?
 * a) 2.576E-14 N
 * b) 2.834E-14 N
 * c) 3.117E-14 N
 * d) 3.429E-14 N
 * e) 3.772E-14 N

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10&minus;27kg, q=3.2 x 10&minus;19C) has a radius of 0.436 m and a magneticfield of 0.881 T. What is their maximum kinetic energy?
 * a) 5.342E+00 MeV
 * b) 5.877E+00 MeV
 * c) 6.464E+00 MeV
 * d) 7.111E+00 MeV
 * e) 7.822E+00 MeV

3) A charged particle in a magnetic field of 5.500E-04 T is moving perpendicular to the magnetic field with a speed of 2.930E+05 m/s. What is the period of orbit if orbital radius is 0.787 m?
 * a) 1.688E-05 s
 * b) 1.856E-05 s
 * c) 2.042E-05 s
 * d) 2.246E-05 s
 * e) 2.471E-05 s

KEY:QB:Ch 11:V1
QB153099154193 1) An alpha-particle (q=3.2x10&minus;19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 5.75 T. What is the  x-component of the force on the alpha-particle if it is moving with a velocity (1.81 i + 2.05 j  + 4.49 k) x 104 m/s?
 * -a) 2.576E-14 N
 * -b) 2.834E-14 N
 * -c) 3.117E-14 N
 * -d) 3.429E-14 N
 * +e) 3.772E-14 N

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10&minus;27kg, q=3.2 x 10&minus;19C) has a radius of 0.436 m and a magneticfield of 0.881 T. What is their maximum kinetic energy?
 * -a) 5.342E+00 MeV
 * -b) 5.877E+00 MeV
 * -c) 6.464E+00 MeV
 * +d) 7.111E+00 MeV
 * -e) 7.822E+00 MeV

3) A charged particle in a magnetic field of 5.500E-04 T is moving perpendicular to the magnetic field with a speed of 2.930E+05 m/s. What is the period of orbit if orbital radius is 0.787 m?
 * +a) 1.688E-05 s
 * -b) 1.856E-05 s
 * -c) 2.042E-05 s
 * -d) 2.246E-05 s
 * -e) 2.471E-05 s

QB:Ch 11:V2
QB153099154193 1) An alpha-particle (q=3.2x10&minus;19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 3.41 T. What is the  x-component of the force on the alpha-particle if it is moving with a velocity (6.21 i + 5.39 j  + 3.81 k) x 104 m/s?
 * a) 4.419E-14 N
 * b) 4.861E-14 N
 * c) 5.347E-14 N
 * d) 5.882E-14 N
 * e) 6.470E-14 N

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10&minus;27kg, q=3.2 x 10&minus;19C) has a radius of 0.125 m and a magneticfield of 0.932 T. What is their maximum kinetic energy?
 * a) 4.914E-01 MeV
 * b) 5.406E-01 MeV
 * c) 5.946E-01 MeV
 * d) 6.541E-01 MeV
 * e) 7.195E-01 MeV

3) A charged particle in a magnetic field of 2.750E-04 T is moving perpendicular to the magnetic field with a speed of 2.120E+05 m/s. What is the period of orbit if orbital radius is 0.385 m?
 * a) 1.141E-05 s
 * b) 1.255E-05 s
 * c) 1.381E-05 s
 * d) 1.519E-05 s
 * e) 1.671E-05 s

KEY:QB:Ch 11:V2
QB153099154193 1) An alpha-particle (q=3.2x10&minus;19C) moves through a uniform magnetic field that is parallel to the positive z-axis with magnitude 3.41 T. What is the  x-component of the force on the alpha-particle if it is moving with a velocity (6.21 i + 5.39 j  + 3.81 k) x 104 m/s?
 * -a) 4.419E-14 N
 * -b) 4.861E-14 N
 * -c) 5.347E-14 N
 * +d) 5.882E-14 N
 * -e) 6.470E-14 N

2) A cyclotron used to accelerate alpha particlesm=6.64 x 10&minus;27kg, q=3.2 x 10&minus;19C) has a radius of 0.125 m and a magneticfield of 0.932 T. What is their maximum kinetic energy?
 * -a) 4.914E-01 MeV
 * -b) 5.406E-01 MeV
 * -c) 5.946E-01 MeV
 * +d) 6.541E-01 MeV
 * -e) 7.195E-01 MeV

3) A charged particle in a magnetic field of 2.750E-04 T is moving perpendicular to the magnetic field with a speed of 2.120E+05 m/s. What is the period of orbit if orbital radius is 0.385 m?
 * +a) 1.141E-05 s
 * -b) 1.255E-05 s
 * -c) 1.381E-05 s
 * -d) 1.519E-05 s
 * -e) 1.671E-05 s

QB:Ch 12:V0
QB153099154193 1) Under most conditions the current is distributed uniformly over the cross section of the wire.  What is the magnetic field 3.33 mm from the center of a wire of radius 5 mm if the current is 1A?
 * a) 2.202E-05 T
 * b) 2.422E-05 T
 * c) 2.664E-05 T
 * d) 2.930E-05 T
 * e) 3.223E-05 T

2) The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled $$\beta$$ and $$\omega$$. If  I1=2.42 kA, I2=0.904 kA, and I3=1.34 kA, take the $$\omega$$ path and evalulate the line integral,    $$\oint\vec B\cdot d\vec\ell$$:
 * a) 2.696E-03 T-m
 * b) 2.966E-03 T-m
 * c) 3.263E-03 T-m
 * d) 3.589E-03 T-m
 * e) 3.948E-03 T-m

3) Two loops of wire carry the same current of 24 kA, and flow in the same direction. They share a common axis and orientation.  One loop has a radius of 0.53 m while the other has a radius of 1.38 m.  What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.485 m from the first (smaller) loopif the disance between the loops is 1.78 m?
 * a) 1.294E-02 T
 * b) 1.424E-02 T
 * c) 1.566E-02 T
 * d) 1.723E-02 T
 * e) 1.895E-02 T

KEY:QB:Ch 12:V0
QB153099154193 1) Under most conditions the current is distributed uniformly over the cross section of the wire.  What is the magnetic field 3.33 mm from the center of a wire of radius 5 mm if the current is 1A?
 * -a) 2.202E-05 T
 * -b) 2.422E-05 T
 * +c) 2.664E-05 T
 * -d) 2.930E-05 T
 * -e) 3.223E-05 T

2) The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled $$\beta$$ and $$\omega$$. If  I1=2.42 kA, I2=0.904 kA, and I3=1.34 kA, take the $$\omega$$ path and evalulate the line integral,    $$\oint\vec B\cdot d\vec\ell$$:
 * -a) 2.696E-03 T-m
 * -b) 2.966E-03 T-m
 * -c) 3.263E-03 T-m
 * +d) 3.589E-03 T-m
 * -e) 3.948E-03 T-m

3) Two loops of wire carry the same current of 24 kA, and flow in the same direction. They share a common axis and orientation.  One loop has a radius of 0.53 m while the other has a radius of 1.38 m.  What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.485 m from the first (smaller) loopif the disance between the loops is 1.78 m?
 * -a) 1.294E-02 T
 * -b) 1.424E-02 T
 * +c) 1.566E-02 T
 * -d) 1.723E-02 T
 * -e) 1.895E-02 T

QB:Ch 12:V1
QB153099154193 1) Under most conditions the current is distributed uniformly over the cross section of the wire.  What is the magnetic field 1.03 mm from the center of a wire of radius 3 mm if the current is 1A?
 * a) 1.720E-05 T
 * b) 1.892E-05 T
 * c) 2.081E-05 T
 * d) 2.289E-05 T
 * e) 2.518E-05 T

2) Two loops of wire carry the same current of 21 kA, and flow in the same direction. They share a common axis and orientation.  One loop has a radius of 0.753 m while the other has a radius of 1.47 m.  What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.406 m from the first (smaller) loopif the disance between the loops is 1.38 m?
 * a) 1.559E-02 T
 * b) 1.715E-02 T
 * c) 1.886E-02 T
 * d) 2.075E-02 T
 * e) 2.283E-02 T

3) The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled $$\beta$$ and $$\omega$$. If  I1=2.58 kA, I2=1.27 kA, and I3=1.99 kA, take the $$\omega$$ path and evalulate the line integral,    $$\oint\vec B\cdot d\vec\ell$$:
 * a) 3.770E-03 T-m
 * b) 4.147E-03 T-m
 * c) 4.562E-03 T-m
 * d) 5.018E-03 T-m
 * e) 5.520E-03 T-m

KEY:QB:Ch 12:V1
QB153099154193 1) Under most conditions the current is distributed uniformly over the cross section of the wire.  What is the magnetic field 1.03 mm from the center of a wire of radius 3 mm if the current is 1A?
 * -a) 1.720E-05 T
 * -b) 1.892E-05 T
 * -c) 2.081E-05 T
 * +d) 2.289E-05 T
 * -e) 2.518E-05 T

2) Two loops of wire carry the same current of 21 kA, and flow in the same direction. They share a common axis and orientation.  One loop has a radius of 0.753 m while the other has a radius of 1.47 m.  What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.406 m from the first (smaller) loopif the disance between the loops is 1.38 m?
 * -a) 1.559E-02 T
 * +b) 1.715E-02 T
 * -c) 1.886E-02 T
 * -d) 2.075E-02 T
 * -e) 2.283E-02 T

3) The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled $$\beta$$ and $$\omega$$. If  I1=2.58 kA, I2=1.27 kA, and I3=1.99 kA, take the $$\omega$$ path and evalulate the line integral,    $$\oint\vec B\cdot d\vec\ell$$:
 * -a) 3.770E-03 T-m
 * +b) 4.147E-03 T-m
 * -c) 4.562E-03 T-m
 * -d) 5.018E-03 T-m
 * -e) 5.520E-03 T-m

QB:Ch 12:V2
QB153099154193 1) Under most conditions the current is distributed uniformly over the cross section of the wire.  What is the magnetic field 1.86 mm from the center of a wire of radius 5 mm if the current is 1A?
 * a) 1.488E-05 T
 * b) 1.637E-05 T
 * c) 1.800E-05 T
 * d) 1.981E-05 T
 * e) 2.179E-05 T

2) Two loops of wire carry the same current of 64 kA, and flow in the same direction. They share a common axis and orientation.  One loop has a radius of 0.838 m while the other has a radius of 1.17 m.  What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.528 m from the first (smaller) loopif the disance between the loops is 1.62 m?
 * a) 3.863E-02 T
 * b) 4.249E-02 T
 * c) 4.674E-02 T
 * d) 5.141E-02 T
 * e) 5.655E-02 T

3) The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled $$\beta$$ and $$\omega$$. If  I1=2.5 kA, I2=1.28 kA, and I3=3.4 kA, take the $$\omega$$ path and evalulate the line integral,    $$\oint\vec B\cdot d\vec\ell$$:
 * a) 4.362E-03 T-m
 * b) 4.798E-03 T-m
 * c) 5.278E-03 T-m
 * d) 5.806E-03 T-m
 * e) 6.386E-03 T-m

KEY:QB:Ch 12:V2
QB153099154193 1) Under most conditions the current is distributed uniformly over the cross section of the wire.  What is the magnetic field 1.86 mm from the center of a wire of radius 5 mm if the current is 1A?
 * +a) 1.488E-05 T
 * -b) 1.637E-05 T
 * -c) 1.800E-05 T
 * -d) 1.981E-05 T
 * -e) 2.179E-05 T

2) Two loops of wire carry the same current of 64 kA, and flow in the same direction. They share a common axis and orientation.  One loop has a radius of 0.838 m while the other has a radius of 1.17 m.  What is the magnitude of the magnetic field at a point on the axis of both loops, situated between the loops at a distance 0.528 m from the first (smaller) loopif the disance between the loops is 1.62 m?
 * -a) 3.863E-02 T
 * +b) 4.249E-02 T
 * -c) 4.674E-02 T
 * -d) 5.141E-02 T
 * -e) 5.655E-02 T

3) The numbers (1,2,3) in the figure shown represent three currents flowing in or out of the page: I1 and I3 flow out of the page, and I2 flows into the page, as shown. Two closed paths are shown, labeled $$\beta$$ and $$\omega$$. If  I1=2.5 kA, I2=1.28 kA, and I3=3.4 kA, take the $$\omega$$ path and evalulate the line integral,    $$\oint\vec B\cdot d\vec\ell$$:
 * -a) 4.362E-03 T-m
 * -b) 4.798E-03 T-m
 * -c) 5.278E-03 T-m
 * +d) 5.806E-03 T-m
 * -e) 6.386E-03 T-m

QB:Ch 13:V0
QB153099154193 1) A cylinder of height 3.5 cm and radius 5.36 cm is cut into a wedge as shown. Now imagine that the volume grows as &theta; increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 2.79 cm from point O and moves at a speed of 3.24 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.) --(Answer & Why this question is different.)
 * a) 5.308E+01 cm3/s
 * b) 5.839E+01 cm3/s
 * c) 6.422E+01 cm3/s
 * d) 7.065E+01 cm3/s
 * e) 7.771E+01 cm3/s

2) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 &Omega;. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
 * a) 1.157E+00 A
 * b) 1.273E+00 A
 * c) 1.400E+00 A
 * d) 1.540E+00 A
 * e) 1.694E+00 A

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.8 m. The magnetic field is spatially uniform but decays in time according to $$(4.6)e^{-\alpha t}$$, where $$\alpha=$$8.91 s. What is the current in the coil if the impedance of the coil is 61.7 &Omega;?
 * a) 5.369E-01 A
 * b) 5.906E-01 A
 * c) 6.496E-01 A
 * d) 7.146E-01 A
 * e) 7.860E-01 A

KEY:QB:Ch 13:V0
QB153099154193 1) A cylinder of height 3.5 cm and radius 5.36 cm is cut into a wedge as shown. Now imagine that the volume grows as &theta; increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 2.79 cm from point O and moves at a speed of 3.24 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.) --(Answer & Why this question is different.)
 * -a) 5.308E+01 cm3/s
 * +b) 5.839E+01 cm3/s
 * -c) 6.422E+01 cm3/s
 * -d) 7.065E+01 cm3/s
 * -e) 7.771E+01 cm3/s

2) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 &Omega;. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
 * -a) 1.157E+00 A
 * +b) 1.273E+00 A
 * -c) 1.400E+00 A
 * -d) 1.540E+00 A
 * -e) 1.694E+00 A

3) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.8 m. The magnetic field is spatially uniform but decays in time according to $$(4.6)e^{-\alpha t}$$, where $$\alpha=$$8.91 s. What is the current in the coil if the impedance of the coil is 61.7 &Omega;?
 * -a) 5.369E-01 A
 * -b) 5.906E-01 A
 * -c) 6.496E-01 A
 * -d) 7.146E-01 A
 * +e) 7.860E-01 A

QB:Ch 13:V1
QB153099154193 1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.798 m. The magnetic field is spatially uniform but decays in time according to $$(3.7)e^{-\alpha t}$$, where $$\alpha=$$4.63 s. What is the current in the coil if the impedance of the coil is 75.7 &Omega;?
 * a) 2.651E-01 A
 * b) 2.917E-01 A
 * c) 3.208E-01 A
 * d) 3.529E-01 A
 * e) 3.882E-01 A

2) A square coil has sides that are L= 0.259 m long and is tightly wound with N=628 turns of wire. The resistance of the coil is R=6.51 &Omega;. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0372 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
 * a) 1.809E-01 A
 * b) 1.989E-01 A
 * c) 2.188E-01 A
 * d) 2.407E-01 A
 * e) 2.648E-01 A

3) A cylinder of height 1.34 cm and radius 2.47 cm is cut into a wedge as shown. Now imagine that the volume grows as &theta; increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.23 cm from point O and moves at a speed of 6.23 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.) --(Answer & Why this question is different.)
 * a) 1.414E+01 cm3/s
 * b) 1.556E+01 cm3/s
 * c) 1.711E+01 cm3/s
 * d) 1.882E+01 cm3/s
 * e) 2.070E+01 cm3/s

KEY:QB:Ch 13:V1
QB153099154193 1) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.798 m. The magnetic field is spatially uniform but decays in time according to $$(3.7)e^{-\alpha t}$$, where $$\alpha=$$4.63 s. What is the current in the coil if the impedance of the coil is 75.7 &Omega;?
 * -a) 2.651E-01 A
 * -b) 2.917E-01 A
 * -c) 3.208E-01 A
 * +d) 3.529E-01 A
 * -e) 3.882E-01 A

2) A square coil has sides that are L= 0.259 m long and is tightly wound with N=628 turns of wire. The resistance of the coil is R=6.51 &Omega;. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0372 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
 * -a) 1.809E-01 A
 * -b) 1.989E-01 A
 * -c) 2.188E-01 A
 * +d) 2.407E-01 A
 * -e) 2.648E-01 A

3) A cylinder of height 1.34 cm and radius 2.47 cm is cut into a wedge as shown. Now imagine that the volume grows as &theta; increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.23 cm from point O and moves at a speed of 6.23 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.) --(Answer & Why this question is different.)
 * -a) 1.414E+01 cm3/s
 * -b) 1.556E+01 cm3/s
 * -c) 1.711E+01 cm3/s
 * -d) 1.882E+01 cm3/s
 * +e) 2.070E+01 cm3/s

QB:Ch 13:V2
QB153099154193 1) A cylinder of height 2.12 cm and radius 2.28 cm is cut into a wedge as shown. Now imagine that the volume grows as &theta; increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.52 cm from point O and moves at a speed of 8.21 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.) --(Answer & Why this question is different.)
 * a) 2.976E+01 cm3/s
 * b) 3.274E+01 cm3/s
 * c) 3.601E+01 cm3/s
 * d) 3.961E+01 cm3/s
 * e) 4.358E+01 cm3/s

2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.419 m. The magnetic field is spatially uniform but decays in time according to $$(2.48)e^{-\alpha t}$$, where $$\alpha=$$9.15 s. What is the current in the coil if the impedance of the coil is 67.8 &Omega;?
 * a) 1.240E-01 A
 * b) 1.364E-01 A
 * c) 1.500E-01 A
 * d) 1.650E-01 A
 * e) 1.815E-01 A

3) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 &Omega;. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
 * a) 1.157E+00 A
 * b) 1.273E+00 A
 * c) 1.400E+00 A
 * d) 1.540E+00 A
 * e) 1.694E+00 A

KEY:QB:Ch 13:V2
QB153099154193 1) A cylinder of height 2.12 cm and radius 2.28 cm is cut into a wedge as shown. Now imagine that the volume grows as &theta; increases while the radius R and height h remains constant. What is the volume's rate of change if point P is 1.52 cm from point O and moves at a speed of 8.21 cm/s? Assume that the wedge grows in such a way as the front face moves by rotating around the axis (that contains point O.) --(Answer & Why this question is different.)
 * +a) 2.976E+01 cm3/s
 * -b) 3.274E+01 cm3/s
 * -c) 3.601E+01 cm3/s
 * -d) 3.961E+01 cm3/s
 * -e) 4.358E+01 cm3/s

2) A time dependent magnetic field is directed perpendicular to the plane of a circular coil with a radius of 0.419 m. The magnetic field is spatially uniform but decays in time according to $$(2.48)e^{-\alpha t}$$, where $$\alpha=$$9.15 s. What is the current in the coil if the impedance of the coil is 67.8 &Omega;?
 * -a) 1.240E-01 A
 * +b) 1.364E-01 A
 * -c) 1.500E-01 A
 * -d) 1.650E-01 A
 * -e) 1.815E-01 A

3) A square coil has sides that are L= 0.325 m long and is tightly wound with N=697 turns of wire. The resistance of the coil is R=4.87 &Omega;. The coil is placed in a spacially uniform magnetic field that is directed perpendicular to the face of the coil and whose magnitude is increasing at a rate dB/dt=0.0842 T/s. If R represents the only impedance of the coil, what is the magnitude of the current circulting through it?
 * -a) 1.157E+00 A
 * +b) 1.273E+00 A
 * -c) 1.400E+00 A
 * -d) 1.540E+00 A
 * -e) 1.694E+00 A

QB:Ch 14:V0
QB153099154193 1) A long solenoid has a length 0.605 meters, radius 4.26 cm, and 597 turns. It surrounds  coil of radius 9.08 meters and 12turns.  If the current in the solenoid is changing at a rate of 250 A/s, what is the emf induced in the surounding coil?
 * a) 4.551E-02 V
 * b) 5.006E-02 V
 * c) 5.507E-02 V
 * d) 6.057E-02 V
 * e) 6.663E-02 V

2) Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is  opened as as S2 is closed.  How long will it take for the energy stored in the inductor to be reduced to 1.67% of its maximum value if &epsilon; = 5.07 V, R = 7.8 &Omega;, and L = 4.39 H?
 * a) -1.047E+00 s
 * b) -1.152E+00 s
 * c) -1.267E+00 s
 * d) -1.393E+00 s
 * e) -1.533E+00 s

3) A washer has an inner diameter of 2.37 cm and an outer diamter of 4.84 cm. The thickness is $$h=Cr^{-n}$$ where $$r$$ is measured in cm, $$C=4.67mm$$, and $$n=2.56$$. What is the volume of the washer?
 * a) 1.570E+00 cm3
 * b) 1.727E+00 cm3
 * c) 1.900E+00 cm3
 * d) 2.090E+00 cm3
 * e) 2.299E+00 cm3

KEY:QB:Ch 14:V0
QB153099154193 1) A long solenoid has a length 0.605 meters, radius 4.26 cm, and 597 turns. It surrounds  coil of radius 9.08 meters and 12turns.  If the current in the solenoid is changing at a rate of 250 A/s, what is the emf induced in the surounding coil?
 * -a) 4.551E-02 V
 * -b) 5.006E-02 V
 * -c) 5.507E-02 V
 * -d) 6.057E-02 V
 * +e) 6.663E-02 V

2) Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is  opened as as S2 is closed.  How long will it take for the energy stored in the inductor to be reduced to 1.67% of its maximum value if &epsilon; = 5.07 V, R = 7.8 &Omega;, and L = 4.39 H?
 * -a) -1.047E+00 s
 * +b) -1.152E+00 s
 * -c) -1.267E+00 s
 * -d) -1.393E+00 s
 * -e) -1.533E+00 s

3) A washer has an inner diameter of 2.37 cm and an outer diamter of 4.84 cm. The thickness is $$h=Cr^{-n}$$ where $$r$$ is measured in cm, $$C=4.67mm$$, and $$n=2.56$$. What is the volume of the washer?
 * +a) 1.570E+00 cm3
 * -b) 1.727E+00 cm3
 * -c) 1.900E+00 cm3
 * -d) 2.090E+00 cm3
 * -e) 2.299E+00 cm3

QB:Ch 14:V1
QB153099154193 1) Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is  opened as as S2 is closed.  How long will it take for the energy stored in the inductor to be reduced to 2.01% of its maximum value if &epsilon; = 1.45 V, R = 4.4 &Omega;, and L = 2.36 H?
 * a) -8.659E-01 s
 * b) -9.525E-01 s
 * c) -1.048E+00 s
 * d) -1.153E+00 s
 * e) -1.268E+00 s

2) A long solenoid has a length 0.703 meters, radius 4.03 cm, and 542 turns. It surrounds  coil of radius 6.58 meters and 9turns.  If the current in the solenoid is changing at a rate of 208 A/s, what is the emf induced in the surounding coil?
 * a) 2.643E-02 V
 * b) 2.907E-02 V
 * c) 3.198E-02 V
 * d) 3.518E-02 V
 * e) 3.869E-02 V

3) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is $$h=Cr^{-n}$$ where $$r$$ is measured in cm, $$C=4.22mm$$, and $$n=2.8$$. What is the volume of the washer?
 * a) 1.342E+00 cm3
 * b) 1.477E+00 cm3
 * c) 1.624E+00 cm3
 * d) 1.787E+00 cm3
 * e) 1.965E+00 cm3

KEY:QB:Ch 14:V1
QB153099154193 1) Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is  opened as as S2 is closed.  How long will it take for the energy stored in the inductor to be reduced to 2.01% of its maximum value if &epsilon; = 1.45 V, R = 4.4 &Omega;, and L = 2.36 H?
 * -a) -8.659E-01 s
 * -b) -9.525E-01 s
 * +c) -1.048E+00 s
 * -d) -1.153E+00 s
 * -e) -1.268E+00 s

2) A long solenoid has a length 0.703 meters, radius 4.03 cm, and 542 turns. It surrounds  coil of radius 6.58 meters and 9turns.  If the current in the solenoid is changing at a rate of 208 A/s, what is the emf induced in the surounding coil?
 * -a) 2.643E-02 V
 * +b) 2.907E-02 V
 * -c) 3.198E-02 V
 * -d) 3.518E-02 V
 * -e) 3.869E-02 V

3) A washer has an inner diameter of 2.16 cm and an outer diamter of 4.82 cm. The thickness is $$h=Cr^{-n}$$ where $$r$$ is measured in cm, $$C=4.22mm$$, and $$n=2.8$$. What is the volume of the washer?
 * -a) 1.342E+00 cm3
 * +b) 1.477E+00 cm3
 * -c) 1.624E+00 cm3
 * -d) 1.787E+00 cm3
 * -e) 1.965E+00 cm3

QB:Ch 14:V2
QB153099154193 1) Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is  opened as as S2 is closed.  How long will it take for the energy stored in the inductor to be reduced to 1.67% of its maximum value if &epsilon; = 5.07 V, R = 7.8 &Omega;, and L = 4.39 H?
 * a) -1.047E+00 s
 * b) -1.152E+00 s
 * c) -1.267E+00 s
 * d) -1.393E+00 s
 * e) -1.533E+00 s

2) A long solenoid has a length 0.923 meters, radius 4.08 cm, and 579 turns. It surrounds  coil of radius 6.86 meters and 14turns.  If the current in the solenoid is changing at a rate of 139 A/s, what is the emf induced in the surounding coil?
 * a) 1.894E-02 V
 * b) 2.083E-02 V
 * c) 2.291E-02 V
 * d) 2.520E-02 V
 * e) 2.772E-02 V

3) A washer has an inner diameter of 2.23 cm and an outer diamter of 4.18 cm. The thickness is $$h=Cr^{-n}$$ where $$r$$ is measured in cm, $$C=4.42mm$$, and $$n=2.62$$. What is the volume of the washer?
 * a) 1.351E+00 cm3
 * b) 1.486E+00 cm3
 * c) 1.635E+00 cm3
 * d) 1.798E+00 cm3
 * e) 1.978E+00 cm3

KEY:QB:Ch 14:V2
QB153099154193 1) Suppose switch S1 in the figure shown was closed and remained closed long enough to acheive steady state. At t=0 S1 is  opened as as S2 is closed.  How long will it take for the energy stored in the inductor to be reduced to 1.67% of its maximum value if &epsilon; = 5.07 V, R = 7.8 &Omega;, and L = 4.39 H?
 * -a) -1.047E+00 s
 * +b) -1.152E+00 s
 * -c) -1.267E+00 s
 * -d) -1.393E+00 s
 * -e) -1.533E+00 s

2) A long solenoid has a length 0.923 meters, radius 4.08 cm, and 579 turns. It surrounds  coil of radius 6.86 meters and 14turns.  If the current in the solenoid is changing at a rate of 139 A/s, what is the emf induced in the surounding coil?
 * -a) 1.894E-02 V
 * -b) 2.083E-02 V
 * -c) 2.291E-02 V
 * +d) 2.520E-02 V
 * -e) 2.772E-02 V

3) A washer has an inner diameter of 2.23 cm and an outer diamter of 4.18 cm. The thickness is $$h=Cr^{-n}$$ where $$r$$ is measured in cm, $$C=4.42mm$$, and $$n=2.62$$. What is the volume of the washer?
 * +a) 1.351E+00 cm3
 * -b) 1.486E+00 cm3
 * -c) 1.635E+00 cm3
 * -d) 1.798E+00 cm3
 * -e) 1.978E+00 cm3

QB:Ch 15:V0
QB153099154193 1) An ac generator produces an emf of amplitude 5 V at a frequency of 52 Hz. What is the maximum amplitude of the current if the generator is connected to a  49 mF inductor?
 * a) 2.839E-01 A
 * b) 3.123E-01 A
 * c) 3.435E-01 A
 * d) 3.779E-01 A
 * e) 4.157E-01 A

2) A step-down transformer steps 18 kV down to 170 V. The high-voltage input is provided by a 230 &Omega; power line that carries 5 A of currentWhat is the output current (at the 170 V side ?)
 * a) 4.375E+02 A
 * b) 4.813E+02 A
 * c) 5.294E+02 A
 * d) 5.824E+02 A
 * e) 6.406E+02 A

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved,  Q=&equiv;&omega;0L/R is definedso that Q is large if the resistance is low.  Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(&omega;t), where V0=5 V. The resistance, inductance, and capacitance are R =0.27 &Omega;, L= 4.30E-03H, and C=2.20E-06 F, respectively.
 * a) Q = 1.238E+02
 * b) Q = 1.424E+02
 * c) Q = 1.637E+02
 * d) Q = 1.883E+02
 * e) Q = 2.165E+02

KEY:QB:Ch 15:V0
QB153099154193 1) An ac generator produces an emf of amplitude 5 V at a frequency of 52 Hz. What is the maximum amplitude of the current if the generator is connected to a  49 mF inductor?
 * -a) 2.839E-01 A
 * +b) 3.123E-01 A
 * -c) 3.435E-01 A
 * -d) 3.779E-01 A
 * -e) 4.157E-01 A

2) A step-down transformer steps 18 kV down to 170 V. The high-voltage input is provided by a 230 &Omega; power line that carries 5 A of currentWhat is the output current (at the 170 V side ?)
 * -a) 4.375E+02 A
 * -b) 4.813E+02 A
 * +c) 5.294E+02 A
 * -d) 5.824E+02 A
 * -e) 6.406E+02 A

3) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved,  Q=&equiv;&omega;0L/R is definedso that Q is large if the resistance is low.  Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(&omega;t), where V0=5 V. The resistance, inductance, and capacitance are R =0.27 &Omega;, L= 4.30E-03H, and C=2.20E-06 F, respectively.
 * -a) Q = 1.238E+02
 * -b) Q = 1.424E+02
 * +c) Q = 1.637E+02
 * -d) Q = 1.883E+02
 * -e) Q = 2.165E+02

QB:Ch 15:V1
QB153099154193 1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 &Omega; power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
 * a) 2.156E+02 A
 * b) 2.372E+02 A
 * c) 2.609E+02 A
 * d) 2.870E+02 A
 * e) 3.157E+02 A

2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved,  Q=&equiv;&omega;0L/R is definedso that Q is large if the resistance is low.  Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(&omega;t), where V0=5 V. The resistance, inductance, and capacitance are R =0.17 &Omega;, L= 4.40E-03H, and C=3.40E-06 F, respectively.
 * a) Q = 1.391E+02
 * b) Q = 1.600E+02
 * c) Q = 1.840E+02
 * d) Q = 2.116E+02
 * e) Q = 2.434E+02

3) An ac generator produces an emf of amplitude 76 V at a frequency of 180 Hz. What is the maximum amplitude of the current if the generator is connected to a  14 mF inductor?
 * a) 3.606E+00 A
 * b) 3.967E+00 A
 * c) 4.364E+00 A
 * d) 4.800E+00 A
 * e) 5.280E+00 A

KEY:QB:Ch 15:V1
QB153099154193 1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 &Omega; power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
 * -a) 2.156E+02 A
 * -b) 2.372E+02 A
 * +c) 2.609E+02 A
 * -d) 2.870E+02 A
 * -e) 3.157E+02 A

2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved,  Q=&equiv;&omega;0L/R is definedso that Q is large if the resistance is low.  Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(&omega;t), where V0=5 V. The resistance, inductance, and capacitance are R =0.17 &Omega;, L= 4.40E-03H, and C=3.40E-06 F, respectively.
 * -a) Q = 1.391E+02
 * -b) Q = 1.600E+02
 * -c) Q = 1.840E+02
 * +d) Q = 2.116E+02
 * -e) Q = 2.434E+02

3) An ac generator produces an emf of amplitude 76 V at a frequency of 180 Hz. What is the maximum amplitude of the current if the generator is connected to a  14 mF inductor?
 * -a) 3.606E+00 A
 * -b) 3.967E+00 A
 * -c) 4.364E+00 A
 * +d) 4.800E+00 A
 * -e) 5.280E+00 A

QB:Ch 15:V2
QB153099154193 1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 &Omega; power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
 * a) 2.156E+02 A
 * b) 2.372E+02 A
 * c) 2.609E+02 A
 * d) 2.870E+02 A
 * e) 3.157E+02 A

2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved,  Q=&equiv;&omega;0L/R is definedso that Q is large if the resistance is low.  Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(&omega;t), where V0=3 V. The resistance, inductance, and capacitance are R =0.22 &Omega;, L= 5.10E-03H, and C=2.50E-06 F, respectively.
 * a) Q = 2.053E+02
 * b) Q = 2.361E+02
 * c) Q = 2.715E+02
 * d) Q = 3.122E+02
 * e) Q = 3.591E+02

3) An ac generator produces an emf of amplitude 60 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a  85 mF inductor?
 * a) 7.856E-01 A
 * b) 8.642E-01 A
 * c) 9.506E-01 A
 * d) 1.046E+00 A
 * e) 1.150E+00 A

KEY:QB:Ch 15:V2
QB153099154193 1) A step-down transformer steps 12 kV down to 230 V. The high-voltage input is provided by a 140 &Omega; power line that carries 5 A of currentWhat is the output current (at the 230 V side ?)
 * -a) 2.156E+02 A
 * -b) 2.372E+02 A
 * +c) 2.609E+02 A
 * -d) 2.870E+02 A
 * -e) 3.157E+02 A

2) The quality factor Q is a dimensionless paramater involving the relative values of the magnitudes of the at three impedances (R, XL, XC). Since Q is calculatedat resonance, XL,  XC and only twoimpedances are involved,  Q=&equiv;&omega;0L/R is definedso that Q is large if the resistance is low.  Calculate the Q of an LRC series driven at resonance by an applied voltage of of V=V0sin(&omega;t), where V0=3 V. The resistance, inductance, and capacitance are R =0.22 &Omega;, L= 5.10E-03H, and C=2.50E-06 F, respectively.
 * +a) Q = 2.053E+02
 * -b) Q = 2.361E+02
 * -c) Q = 2.715E+02
 * -d) Q = 3.122E+02
 * -e) Q = 3.591E+02

3) An ac generator produces an emf of amplitude 60 V at a frequency of 130 Hz. What is the maximum amplitude of the current if the generator is connected to a  85 mF inductor?
 * -a) 7.856E-01 A
 * +b) 8.642E-01 A
 * -c) 9.506E-01 A
 * -d) 1.046E+00 A
 * -e) 1.150E+00 A

QB:Ch 16:V0
QB153099154193 1) What is the radiation force on an object that is 1.20E+11 m away from the sun and has cross-sectional area of 0.055 m2? The average power output of the Sun is 3.80E+26 W.
 * a) 5.263E-07 N
 * b) 5.789E-07 N
 * c) 6.368E-07 N
 * d) 7.005E-07 N
 * e) 7.705E-07 N

2) A parallel plate capacitor with a capicatnce C=9.80E-06 F whose plates have an area A=1.00E+04 m2 and separation d=9.00E-03 m is connected via a swith to a 15 &Omega; resistor and a battery of voltage V0=94 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=6.60E-04?
 * a) 6.394E-02 A
 * b) 7.033E-02 A
 * c) 7.736E-02 A
 * d) 8.510E-02 A
 * e) 9.361E-02 A

3) A 56 kW radio transmitter on Earth sends it signal to a satellite 140 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 72 kW?
 * a) 1.084E+02 km
 * b) 1.193E+02 km
 * c) 1.312E+02 km
 * d) 1.443E+02 km
 * e) 1.587E+02 km

KEY:QB:Ch 16:V0
QB153099154193 1) What is the radiation force on an object that is 1.20E+11 m away from the sun and has cross-sectional area of 0.055 m2? The average power output of the Sun is 3.80E+26 W.
 * -a) 5.263E-07 N
 * -b) 5.789E-07 N
 * -c) 6.368E-07 N
 * -d) 7.005E-07 N
 * +e) 7.705E-07 N

2) A parallel plate capacitor with a capicatnce C=9.80E-06 F whose plates have an area A=1.00E+04 m2 and separation d=9.00E-03 m is connected via a swith to a 15 &Omega; resistor and a battery of voltage V0=94 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=6.60E-04?
 * -a) 6.394E-02 A
 * +b) 7.033E-02 A
 * -c) 7.736E-02 A
 * -d) 8.510E-02 A
 * -e) 9.361E-02 A

3) A 56 kW radio transmitter on Earth sends it signal to a satellite 140 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 72 kW?
 * -a) 1.084E+02 km
 * -b) 1.193E+02 km
 * -c) 1.312E+02 km
 * -d) 1.443E+02 km
 * +e) 1.587E+02 km

QB:Ch 16:V1
QB153099154193 1) A 46 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 78 kW?
 * a) 1.563E+02 km
 * b) 1.719E+02 km
 * c) 1.891E+02 km
 * d) 2.080E+02 km
 * e) 2.288E+02 km

2) A parallel plate capacitor with a capicatnce C=6.60E-06 F whose plates have an area A=4.90E+03 m2 and separation d=6.60E-03 m is connected via a swith to a 20 &Omega; resistor and a battery of voltage V0=59 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=1.70E-04?
 * a) 8.138E-01 A
 * b) 8.952E-01 A
 * c) 9.847E-01 A
 * d) 1.083E+00 A
 * e) 1.191E+00 A

3) What is the radiation force on an object that is 7.40E+11 m away from the sun and has cross-sectional area of 0.082 m2? The average power output of the Sun is 3.80E+26 W.
 * a) 2.063E-08 N
 * b) 2.270E-08 N
 * c) 2.497E-08 N
 * d) 2.746E-08 N
 * e) 3.021E-08 N

KEY:QB:Ch 16:V1
QB153099154193 1) A 46 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 78 kW?
 * +a) 1.563E+02 km
 * -b) 1.719E+02 km
 * -c) 1.891E+02 km
 * -d) 2.080E+02 km
 * -e) 2.288E+02 km

2) A parallel plate capacitor with a capicatnce C=6.60E-06 F whose plates have an area A=4.90E+03 m2 and separation d=6.60E-03 m is connected via a swith to a 20 &Omega; resistor and a battery of voltage V0=59 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=1.70E-04?
 * +a) 8.138E-01 A
 * -b) 8.952E-01 A
 * -c) 9.847E-01 A
 * -d) 1.083E+00 A
 * -e) 1.191E+00 A

3) What is the radiation force on an object that is 7.40E+11 m away from the sun and has cross-sectional area of 0.082 m2? The average power output of the Sun is 3.80E+26 W.
 * -a) 2.063E-08 N
 * -b) 2.270E-08 N
 * -c) 2.497E-08 N
 * -d) 2.746E-08 N
 * +e) 3.021E-08 N

QB:Ch 16:V2
QB153099154193 1) A 49 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 89 kW?
 * a) 1.617E+02 km
 * b) 1.779E+02 km
 * c) 1.957E+02 km
 * d) 2.153E+02 km
 * e) 2.368E+02 km

2) A parallel plate capacitor with a capicatnce C=7.30E-06 F whose plates have an area A=6.80E+03 m2 and separation d=8.30E-03 m is connected via a swith to a 84 &Omega; resistor and a battery of voltage V0=3 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=2.60E-03?
 * a) 4.678E-04 A
 * b) 5.145E-04 A
 * c) 5.660E-04 A
 * d) 6.226E-04 A
 * e) 6.848E-04 A

3) What is the radiation force on an object that is 4.70E+11 m away from the sun and has cross-sectional area of 0.015 m2? The average power output of the Sun is 3.80E+26 W.
 * a) 1.029E-08 N
 * b) 1.132E-08 N
 * c) 1.245E-08 N
 * d) 1.370E-08 N
 * e) 1.507E-08 N

KEY:QB:Ch 16:V2
QB153099154193 1) A 49 kW radio transmitter on Earth sends it signal to a satellite 120 km away. At what distance in the same direction would the signal have the same maximum field strength if the transmitter's output power were increased to 89 kW?
 * +a) 1.617E+02 km
 * -b) 1.779E+02 km
 * -c) 1.957E+02 km
 * -d) 2.153E+02 km
 * -e) 2.368E+02 km

2) A parallel plate capacitor with a capicatnce C=7.30E-06 F whose plates have an area A=6.80E+03 m2 and separation d=8.30E-03 m is connected via a swith to a 84 &Omega; resistor and a battery of voltage V0=3 V as shown in the figure. The current starts to flow at time t=0 when the switch is closed. What is the magnitude of the displacement current at time t=2.60E-03?
 * -a) 4.678E-04 A
 * +b) 5.145E-04 A
 * -c) 5.660E-04 A
 * -d) 6.226E-04 A
 * -e) 6.848E-04 A

3) What is the radiation force on an object that is 4.70E+11 m away from the sun and has cross-sectional area of 0.015 m2? The average power output of the Sun is 3.80E+26 W.
 * -a) 1.029E-08 N
 * -b) 1.132E-08 N
 * -c) 1.245E-08 N
 * +d) 1.370E-08 N
 * -e) 1.507E-08 N