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What is the resonance frequency of ac circuit?

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in Basic Electrical Engineering by (88.7k points)
What is the resonance frequency of ac circuit?

(a) 1/√LC

(b) √(L/C)

(c) √LC

(d) LC

I got this question by my college professor while I was bunking the class.

Question is taken from Alternating Current in a Capacitive Circuit in portion Single Phase Series Circuits of Basic Electrical Engineering

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Best answer
Correct option is (a) 1/√LC

Easiest explanation: At resonance, XL=XC

ωL=1/ωC

ω=1/√LC.

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