Derive an expression for average power of an AC (alternating current) circuit.

Derive a relation for the average power of an alternating current circuit containing LCR in series.How true power differ from virtual power in a.c. circuit.

Derive an our expressionforthe Power of an L.C.R.alternating current circuit. (Without different cases).

Derive an expression for average power in an LCR a.c. circuit.