RLC Circuits and Resonance - General Questions

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RLC Circuits and Resonance - General Questions

1. 

What is the voltage across R1, C1, and L1?

mcq9_1007_1
A. VR = 156 V, VC = 165 V, VL = 441 V
B. VR = 178 V, VC = 187 V, VL = 503 V
C. VR = 219 V, VC = 232 V, VL = 619 V
D. VR = 260 V, VC = 276 V, VL = 735 V

Answer: Option A

Explanation:

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2. 

mcq13_1008 (2)

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

 
A. 11.6 Hz
B. 275.9 Hz
C. 1.5 kHz
D. 3.2 kHz

Answer: Option B

Explanation:

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3. 

Voltage lags current in an RLC circuit when it acts:
A. capacitively
B. resistively
C. inductively
D. resonantly

Answer: Option A

Explanation:

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4. 

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: Option C

Explanation:

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5. 

What is the phase angle?

mcq9_1009_1
A. 61.4º
B. 28.5º
C. -28.5º
D. -61.4º

Answer: Option C

Explanation:

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6. 
 

What is the power factor?

mcq9_1010_1
A. 0.279
B. 0.479
C. 0.679
D. 0.879

Answer: Option B

Explanation:

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7. 

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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8. 

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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