Exercise: Rl Circuits

Questions for: Rl Circuits

If a load is purely inductive and the reactive power is 12 VAR, the apparent power is
A:
0 VA
B:
12 VA
C:
6 VA
D:
24 VA
Answer: B
No answer description is available. Let's discuss.
When the frequency of the voltage applied to a series RL circuit is increased, the phase angle
A:
decreases
B:
increases
C:
does not change
D:
cannot be determined without values
Answer: B
No answer description is available. Let's discuss.
A 3.3 k 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
A:
8.74 mA
B:
874 mA
C:
874 A
D:
8.74 A
Answer: A
No answer description is available. Let's discuss.
Which of the following power factors results in less energy loss in an RL circuit?
A:
1
B:
0.8
C:
0.4
D:
0.2
Answer: D
No answer description is available. Let's discuss.
When the resistor voltage in a series RL circuit becomes less than the inductor voltage, the phase angle
A:
increases
B:
decreases
C:
is not affected
D:
cannot be determined
Answer: A
No answer description is available. Let's discuss.
Ad Slot (Above Pagination)
Quiz