Quizbank/Electricity and Magnetism (calculus based)/QBCh15

QB153086031104

QB:Ch 15:V1
QB153086031104 1) The output of an ac generator connected to an RLC series combination has a frequency of 680 Hz and an amplitude of 0.79 V;. If R =5 &Omega;, L= 2.40E-03H, and C=9.10E-04 F, what is the impedance?
 * a) 8.398E+00 &Omega;
 * b) 9.238E+00 &Omega;
 * c) 1.016E+01 &Omega;
 * d) 1.118E+01 &Omega;
 * e) 1.230E+01 &Omega;

2) An ac generator produces an emf of amplitude 97 V at a frequency of 64 Hz. What is the maximum amplitude of the current if the generator is connected to a  55 mF inductor?
 * a) 4.386E+00 A
 * b) 4.824E+00 A
 * c) 5.307E+00 A
 * d) 5.838E+00 A
 * e) 6.421E+00 A

3) An RLC series combination is driven with an applied voltage of of V=V0sin(&omega;t), where V0=0.83 V. The resistance, inductance, and capacitance are R =4 &Omega;, L= 4.60E-03H, and C=8.10E-04 F, respectively. What is the amplitude of the current?
 * a) 1.417E-01 A
 * b) 1.559E-01 A
 * c) 1.715E-01 A
 * d) 1.886E-01 A
 * e) 2.075E-01 A