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RL CIRCUITS QUIZ

In a series RL circuit, 12 V rms is measured across the resistor, and 14 V rms is measured across the inductor. The peak value of the source voltage is

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Which of the following power factors results in less energy loss in an RL circuit?

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A 140Ω resistor is in parallel with an inductor having 60 inductive reactance. Both components are across a 12 V ac source. The magnitude of the total impedance is

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A 3.3 kΩ resistor and a 120 mH coil are in parallel. Both components are across a 2 kHz, 12 V ac source. The total current in the circuit is

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When the frequency is decreased, the impedance of a parallel RL circuit

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To increase the current in a series RL circuit, the frequency

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If a load is purely inductive and the reactive power is 12 VAR, the apparent power is

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When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle

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If the frequency is halved and the resistance is doubled, the impedance of a series RL circuit

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The voltages in Problem 5 are measured at a certain frequency. To make the resistor voltage less than the inductor voltage, the frequency is

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