Exercise: Rlc Circuits And Resonance

Questions for: Rlc Circuits And Resonance

What would be the power factor for an RLC circuit that acts inductively?
A:
+90 degrees leading
B:
one
C:
zero
D:
–90 degrees lagging
Answer: C
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What is the phase angle?

A:
61.4º
B:
28.5º
C:
-28.5º
D:
-61.4º
Answer: C
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What is the power factor?

A:
0.279
B:
0.479
C:
0.679
D:
0.879
Answer: D
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What is the band pass (F1 – F2) of an RLC filter that resonates at 150 kHz and has a coil Q of 30?
A:
100.0 kHz to 155.0 kHz
B:
147.5 kHz to 152.5 kHz
C:
295.5 kHz to 4500 kHz
D:
149,970 Hz to 150,030 Hz
Answer: B
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Which statement best describes reactance in a series RLC circuit?
A:
Capacitive reactance is always dominant.
B:
Inductive reactance is always dominant.
C:
Resistance is always dominant.
D:
The larger of the two reactances is dominant.
Answer: D
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