# College Physics Study Set 7

Physics & Astronomy

## Quiz 18 : Direct-Current Circuits Study Flashcards  Looking for Introductory Physics Homework Help?

## Quiz 18 :Direct-Current Circuits

Question Type  Three resistors, each with resistance R1, are in series in a circuit.They are replaced by one equivalent resistor, R.Comparing this resistor to the first resistor of the initial circuit, which of the following is true?
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A

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Choose question tag  Three 8.0-W resistors are connected in parallel.What is their equivalent resistance?
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D

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Choose question tag  The basic function of an electromotive force in a circuit is to do which of the following?
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B

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Choose question tag  Three resistors, with values of 2.0, 4.0 and 8.0 W, respectively, are connected in series.What is the overall resistance of this combination?
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Choose question tag  When a 24.0-W resistor is connected across a 12.0-V battery, a current of 482 mA flows.What is the power output delivered by the emf of the battery?
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Choose question tag  When a light bulb is turned on, its resistance increases until it reaches operating temperature. What happens to the current in the bulb as it is warming up?
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Choose question tag  When a 24.0-W resistor is connected across a 12.0-V battery, a current of 482 mA flows.What is the internal resistance of the battery?
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Choose question tag  Three resistors connected in series each carry currents labeled I1, I2 and I3.Which of the following expresses the value of the total current IT in the system made up of the three resistors in series?
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Choose question tag  If R1 < R2 < R3, and if these resistors are connected in series in a circuit, which one dissipates the greatest power?
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Choose question tag  Three resistors connected in series have individual voltages labeled DV1, DV2 and DV3, respectively.Which of the following expresses the value of the total voltage DVT taken over the three resistors together?
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Choose question tag  Which voltage is not caused by a source of emf?
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Choose question tag  Three 8.0-W resistors are connected in series.What is their equivalent resistance?
Multiple Choice
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Choose question tag  The internal resistances of an ideal voltmeter and an ideal ammeter are respectively (ideal meaning the behavior of the system is not changed when using the meter):
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Choose question tag  Three 4.0-W resistors are connected in parallel to a 12.0-V battery.What is the current in any one of the resistors?
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Choose question tag  The two ends of a 3.0-W resistor are connected to a 9.0-V battery.What is the total power delivered by the battery to the circuit?
Multiple Choice
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Choose question tag  Which resistor is in series with resistor R? Multiple Choice
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Choose question tag  Resistors of values 8.0 W, 12.0 W, and 24.0 W are connected in series across a battery with a small internal resistance.Which resistor dissipates the greatest power?
Multiple Choice
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Choose question tag  When a 24.0-W resistor is connected across a 12.0-V battery, a current of 482 mA flows.What is the resulting terminal voltage of the battery?
Multiple Choice
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Choose question tag  The two ends of a 3.0-W resistor are connected to a 9.0-V battery.What is the current through the resistor?
Multiple Choice   