A parallel RLC circuit is operated at a frequency for which the net reactive current is zero. Which statements are correct?
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Question

A parallel RLC circuit is operated at a frequency for which the net reactive current is zero. Which statements are correct?

G1 Physics · Accepted Answer

When the inductive and capacitive branch currents cancel, the source supplies only the in-phase resistive current. Thus the power factor is unity. Large reactive currents can circulate between L and C even though their net contribution to source current is zero.