The average power delivered to an A.C circuit by the source of emf is maximum when circuit is

Question

The average power delivered to an A.C circuit by the source of emf is maximum when circuit is (A) purely inductive (B) purely resistive (C) purely capacitive (D) series LCR away from resonance.

Tardigrade Admin · Accepted Answer

: Power dissipation is directly proportional to ohmic resistance R, because through L and C, current is wattless.

Q. The average power delivered to an A.C circuit by the source of emf is maximum when circuit is

purely inductive

purely resistive

purely capacitive

series LCR away from resonance.

: Power dissipation is directly proportional to ohmic resistance $R,$ because through L and C, current is wattless.