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What is the voltage across the capacitor when the source voltage is 100V and the Q factor is 10?

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in Basic Electrical Engineering by (88.7k points)
What is the voltage across the capacitor when the source voltage is 100V and the Q factor is 10?

(a) 100V

(b) 10V

(c) 1000V

(d) 0V

I had been asked this question in an interview for job.

My doubt is from Quality Factor topic in section Resonance in AC Circuits of Basic Electrical Engineering

1 Answer

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Best answer
Correct option is (c) 1000V

Easy explanation: We know that voltage across the capacitor in resonance condition is equal to Q times the source voltage.

Q=VC/VS   where VC is capacitive voltage and VS is source voltage.

10=VC/100

VC=1000 V.

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