Keeping the source frequency equal to th...

Keeping the source frequency equal to the resonating frequency of the series LCR circuit, if the three elements,L , C and R are arranged in parallel,show that the total current in the parallel LCR circuit is minimum at this frequency. Obtain the current rms value in each branch of the circuit for the elements of frequency . Source has emf 230 V and L = 5.0 H , `C = 80 mu F` and `R = 40 Omega` .

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