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A series LCR circuit with L = 4.0 H, C =...

A series LCR circuit with `L = 4.0 H, C = 100 mu F` and `R = 60 Omega` is connected to a varialbe frequency 240 V source. Calcalate
(i) angular frequency of the source which drives the circuit in resonace,
(ii) current at the resonating frequency,
(iii) rms potential drop across the inductance at resonance.

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