RL Circuits Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

2. 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

 
 
 
 

3. As frequency increases

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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