Urgent help needed please...

Dear Student,
                      hereZ=R2+wL-1wC2then for purely resistive wL=1wCw=1LCif W>1LCthen it is inductive so voltage will be leading current.and power factor =RR2+wL-1wC2if wL=1wCpower factor =1
Hence option c is correct only.
Regards

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