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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) XcThe 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

Answer»

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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