A series L.C.R. circuit with L= 0.12H , C=480 nF , R= 23 ohm is connected to a 230V variable frequency supply.
(A) What is the source frequency for which current amplitude is maximum ?
(B) Calculate the quality factor for the circuit.
(C) For which frequencies of the source is the power transferred to he current half the power at the resonance frequencies ?
(D) What is the current amplitude at these frequency ?
​(E) Obtain maximum power developed in circuit.