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What is impedance at resonance?

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in Basic Electrical Engineering by (88.7k points)
What is impedance at resonance?

(a) maximum

(b) minimum

(c) zero

(d) cannot be determined

I got this question by my school teacher while I was bunking the class.

My query is from Alternating Current in a Capacitive Circuit in chapter Single Phase Series Circuits of Basic Electrical Engineering

1 Answer

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Best answer
Right answer is (b) minimum

The explanation is: At resonance, XL=XC

Z^2=R^2+(XL-XC)^2

Z=R  So Z is minimum at resonance.

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