40 TOP ELECTRICAL ENGINEERING Basic Online Test – Multiple Choice Questions and Answers

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1. Referring to Problem 3, the total copper cross section must handle

 
 
 
 

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

 
 
 
 

3. With an RL integrator, at the instant of the rising pulse edge,

 
 
 
 

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

 
 
 
 

5. Polyphase generators produce simultaneous multiple sinusoidal voltages that are separated by

 
 
 
 

6. 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

 
 
 
 

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

 
 
 
 

8. The most common type of ac motor is the

 
 
 
 

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

 
 
 
 

10. In a balanced three-phase load, each phase has

 
 
 
 

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