Exercise: Rl Circuits

Questions for: Rl Circuits

The impedance of the circuit in the given circuit is approximately equal to _____.

A:
2 komega.gif
B:
750 omega.gif
C:
1.25 komega.gif
D:
1 komega.gif
Answer: C
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The voltage dropped across the resistor in the circuit in the given circuit is approximately equal to ___.

A:
5 V
B:
10 V
C:
7.98 V
D:
6.02 V
Answer: C
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In the circuit given is, _____.

A:
VR leads VL
B:
VR lags VL
C:
VR is in phase with VL
D:
VR, VL, and VS are all in phase
Answer: A
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The cutoff frequency of the circuit in the given circuit is approximately equal to _____.

A:
21 Hz
B:
60 Hz
C:
0 Hz
D:
365 Hz
Answer: D
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If the frequency decreases in the given circuit, then _____.

A:
IT decreases
B:
IR increases
C:
IL increases
D:
none of the currents will change
Answer: C
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