RLC Circuits and Resonance interview question

36.

What is the resonant frequency in the given circuit?

A.     6.5 kHz
B.     53.7 kHz
C.     107.4 kHz
D.     18.1 MHz
Answer & Explanation

Answer: Option B

Explanation:

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37.

What is the impedance of the circuit in the given circuit?

A.     125.7 omega.gif
B.     297.6 omega.gif
C.     370.1 omega.gif
D.     423.3 omega.gif
Answer & Explanation

Answer: Option C

Explanation:

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38.

What is the approximate phase angle in a series RLC circuit when VC = 117 V, VR = 14.5 V, and VL = 3.3 V?
A.     –45.0 degrees
B.     –82.7 degrees
C.     –90.0 degrees
D.     –172.7 degrees
Answer & Explanation

Answer: Option B

Explanation:

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39.

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 & Explanation

Answer: Option D

Explanation:

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40.

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 & Explanation

Answer: Option B

Explanation:

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