Electrical Engineering - RLC Circuits and Resonance

Why Electrical Engineering RLC Circuits and Resonance?

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You can easily solve all kind of Electrical Engineering questions based on RLC Circuits and Resonance by practicing the objective type exercises given below, also get shortcut methods to solve Electrical Engineering RLC Circuits and Resonance problems.

Exercise :: RLC Circuits and Resonance - General Questions

1. 

A 10 resistor, a 90 mH coil, and a 0.015 F capacitor are in series across an ac source. The impedance magnitude at 1,200 Hz below fr is

A. 1,616
B. 161
C. 3,387
D. 1,771

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

2. 

In a series RLC circuit that is operating above the resonant frequency, the current

A. lags the applied voltage
B. leads the applied voltage
C. is in phase with the applied voltage
D. is zero

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

3. 

A 15 resistor, a 220 H coil, and a 60 pF capacitor are in series across an ac source. What is the bandwidth of the circuit?

A. 138 MHz
B. 10,866 Hz
C. 1,907 Hz
D. 138 kHz

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

4. 

A resistor of 3 k, a 0.05 F capacitor, and a 120 mH coil are in series across a 5 kHz, 20 V ac source. What is the impedance, expressed in polar form?

A. 636
B. 3,769
C. 433
D. 4,337

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

5. 

A 12 resistor, a 40 F capacitor, and an 8 mH coil are in series across an ac source. The resonant frequency is

A. 28.1 Hz
B. 281 Hz
C. 2,810 Hz
D. 10 kHz

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.