RL Circuits Online Test – Multiple Choice Questions and Answers


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


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


3. When the frequency of the voltage applied to a series RL circuit is increased, the phase angle


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


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


6. As frequency increases


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


8. Which of the following statements is true about a lag network?


9. In a parallel RL circuit, there are 3 A rms in the resistive branch and 3 A rms in the inductive branch. The total rms current is


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


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