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The minimum value of the admittance in case of the parallel RLC network is ___________

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The minimum value of the admittance in case of the parallel RLC network is ___________

(a) R

(b) 1÷R

(c) Xl-Xc

(d) Xc

The question was asked by my school teacher while I was bunking the class.

I would like to ask this question from Electric Motors in section Braking of Electric Motors of Electric Drives

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The correct choice is (b) 1÷R

Explanation: The minimum value of the admittance in case of the parallel RLC network is R. During resonance condition Xl=Xc so Y=1÷Z=(R^2+(Xl-Xc)^2)^.5=1÷R.

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