Electronics - RLC Circuits and Resonance

Exercise :: RLC Circuits and Resonance - General Questions

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: 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: 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: 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: 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: Option B

Explanation:

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