RLC Circuits and Resonance Multiple Choice Questions

RLC Circuits and Resonance

Question 1.

Resonance is a condition in a series RLC circuit in which the capacitive and inductive reactances are equal in magnitude.

A.

 True

B.

 False

Explanation :

Explanation Not Provided

Question 2.

If the value of C in a series RLC circuit is decreased, the resonant frequency increases

A.

 True

B.

 False

Explanation :

Explanation Not Provided

Question 3.

A lower Q produces a narrower bandwidth.

A.

 True

B.

 False

Explanation :

Explanation Not Provided

Question 4.

A certain series resonant circuit has a bandwidth of 2 kHz. If the existing coil is replaced with one having a higher value of Q, the bandwidth will

A.

 Increase

B.

 Remain the same

C.

 Decrease

D.

 Be less selective

Explanation :

Explanation Not Provided

Question 5.

A 6.8 kΩ resistor, a 7 mH coil, and a 0.02 µF capacitor are in parallel across a 17 kHz ac source. The coil's internal resistance, RW, is 30 Ω. The equivalent parallel resistance, Rp(eq), is

A.

 1,878 Ω

B.

 18,780 Ω

C.

 18,750 Ω

D.

 626 Ω

Explanation :

Explanation Not Provided

Topics

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