1.

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) 0VI 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

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/VSwhere VC is CAPACITIVE voltage and VS is source voltage.

10=VC/100

VC=1000 V.



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