Electric Circuit Analysis/Circuit Analysis Quiz 1

Alternative format for this quiz (with testbank)



{| width=100%  { {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" 3 amps flow through a 1 ohm resistor. What is the voltage? - (A) 1V. - (B) $$\frac{1}{3}V$$ + (C) 3V. - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" Why do we say the "voltage across" or "the voltage with respect to?" Why can't we just say voltage? + (A) Voltage is a measure of electric potential difference between two electrical points. - (B) It's an electrical cliche. - (C) The other point could be negative or positive. - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A resistor consumes 5 watts, and its current is 10 amps. What is its voltage? - (A) 10V. + (B) 0.5V. - (C) 2V. - (D) 15V.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A resistor has 10 volts across it and 4 amps going through it. What is its resistance? + (A) $$2.5\Omega.$$ - (B) $$3.5\Omega.$$ - (C) $$4.5\Omega.$$ - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" If you plot voltage vs. current in a circuit, and you get a linear line, what is the significance of the slope? - (A) Power. - (B) Discriminant. + (C) Resistance. - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A resistor has 3 volts across it. Its resistance is 1.5 ohms. What is the current? - (A) 3A - (B) 12A + (C) 2A - (D) 1.5A
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A resistor has 8 volts across it and 3 amps going through it. What is the power consumed? + (A) 24W - (B) 3W - (C) 8W - (D) 2.2W
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A resistor has a voltage of 5 volts and a resistance of 15 ohms. What is the power consumed? + (A) 1.67 watts - (B) 11.67 joules - (C) 2.5 watts - (D) None of the above
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A resistor is on for 5 seconds. It consumes power at a rate of 5 watts. How many joules are used? - (A) 5 joules + (B) 25 joules - (C) 3 joules - (D) None of the above
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A 1 ohm resistor has 5 volts DC across its terminals. What is the current (I) and the power consumed? + (A) I = 5A  &  P = 25W. - (B) I = 5A  &  P = 5W. - (C) I = 5A  &  P = 9W - (D) I = 5A  &  P = 3W.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" The voltage across two resistors in series is 10 volts. One resistor is twice as large as the other. What is the voltage across the larger resistor? What is the voltage across the smaller one? - (A) $$V_{small-Resistor} = 5V$$ and $$V_{Big-Resistor} = 5V$$. - (B) $$V_{Big-Resistor} = 3.33V$$ and$$V_{small-Resistor} = 6.67V$$. + (C) $$V_{Big-Resistor} = 6.67V$$ and $$V_{small-Resistor} = 3.33V$$. - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A 1 ohm, 2 ohm, and 3 ohm resistor are connected in series. What is the total resistance? - (A) $$R_{Total} = 0.5454\Omega$$. + (B) $$R_{Total} = 6\Omega$$. - (C) $$R_{Total} = 3\Omega$$. - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" Two identical resistors are connected in series. The voltage across both of them is 250 volts. What is the voltage across each one? + (A) $$R_1 = 125V$$ and $$R_2 = 125V$$. - (B) $$R_1 = 250V$$ and $$R_2 = 0V$$. - (C) $$R_1 = 150V$$ and $$R_2 = 100V$$. - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A 1 ohm, 2 ohm, and 3 ohm resistor are connected in parallel. What is the total resistance? - (A) $$\frac{6}{3}\Omega$$. - (B) $$\frac{3}{6}\Omega$$. - (C) $$\frac{11}{6}\Omega$$. + (D) $$\frac{6}{11}\Omega$$.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A 5 ohm and a 2 ohm resistor are connected in parallel. What is the total resistance? + (A) $$\frac{10}{7}\Omega$$. - (B) $$\frac{7}{10}\Omega$$. - (C) $$\frac{10}{6}\Omega$$. - (D) $$\frac{6}{10}\Omega$$.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" A 7 ohm and a 3 ohm resistor are connected in parallel. What is the total resistance? - (A) $$\frac{10}{21}\Omega$$. + (B) $$\frac{21}{10}\Omega$$. - (C) $$\frac{11}{7}\Omega$$. - (D) $$\frac{7}{11}\Omega$$.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" Three 1 ohm resistors are connected in parallel. What is the total resistance? - (A) $$\frac{3}{2}\Omega$$. - (B) $$\frac{2}{3}\Omega$$. + (C) $$\frac{1}{3}\Omega$$. - (D) $$ 3\Omega$$.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" If you put an infinite number of resistors in parallel, what would the total resistance be? + (A) $$R_{total}$$ would approach zero as the number of resistors in parallel approaches infinity. - (B) $$R_{total}$$ would approach 1 as the number of resistors in parallel approaches infinity. - (C) It is not possible to connect that number of resistors in parallel. - (D) None of the above.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" What is the current through R1 and R2 in the following diagram? - (A) $$I_1 = 1A$$ and $$I_2 = 25A$$. - (B) $$I_1 = 0.1A$$ and $$I_2 = 0.1667A$$. + (C) $$I_1 = 1A$$ and $$I_2 = 1.667A$$. - (D) $$I_1 = 10A$$ and $$I_2 = 16.67A$$.
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{ {| cellspacing="0" cellpadding="0" style="margin:0em 0em 1em 0em; width:100%" What is the current through R1, R2, R3, and R4 in the following diagram? - (A) $$I_1 = 10A$$; $$I_2 = 50A$$; $$I_3 = 33A$$; $$I_4 = 25A$$.. - (B) $$I_1 = 1A$$; $$I_2 = 5A$$; $$I_3 = 3.3A$$; $$I_4 = 2.5A$$. - (C) $$I_1 = 0.25A$$; $$I_2 = 0.33A$$; $$I_3 = 0.5A$$; $$I_4 = 0.1A$$. + (D) $$I_1 = 1A$$; $$I_2 = 0.5A$$; $$I_3 = 0.33A$$; $$I_4 = 0.25A$$.
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