Exercise: Rl Circuits

Questions for: Rl Circuits

The phase angle will increase in a parallel RL circuit if the resistance is increased.
A:
True
B:
False
C:
D:
Answer: A
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For series ac circuits containing both resistance and inductive reactance, total opposition to current can be found by simply adding ohmic values or oppositions to current.
A:
True
B:
False
C:
D:
Answer: B
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The impedance of the circuit in the given circuit is 110 omega.gif .

A:
True
B:
False
C:
D:
Answer: B
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As the frequency increases in a series RL circuit the impedance also increases.
A:
True
B:
False
C:
D:
Answer: A
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Which of the following statements is true about a lag network?
A:
An increase in frequency causes an increase in phase lag.
B:
An increase in frequency causes an increase in the magnitude of the output voltage.
C:
A decrease in frequency causes an increase in phase lag.
D:
A decrease in frequency causes a decrease in the magnitude of the output voltage.
Answer: A
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