When an AC voltage, of variable frequency is applied to series L-C-R circuit , the current in the circuit is the same at 4 kHz and 9 kHz. The current in the circuit is maximum at

When an AC voltage, of variable frequency is applied to series L-C-R circuit, the current in the cirucit is the same at 4kHz. The current in the ciruit is maximum at (x)kHz. Find the value of x

The current in the series L-C-R circuit is

An alternating voltage of frequency f is applied across a series LCR circuit.Le f_(r) be the resonance frequency for the circuit.Will the current in the circuit lag, lead or remain in phase with the applied voltage when (i) f gt f_(r) ,(ii) f lt f_(r) ? Explain your answer in each case.

An alternating voltage of frequency f is applied across a series LCR circuit.Le f_(r) be the resonance frequency for the circuit.Will the current in the circuit lag, lead or remain in phase with the applied voltage when (i) f gt f_(r) ,(ii) f lt f_(r) ? Explain your answer in each case.

A series L-C-R circuit is given in figure . The current through the circuit is

The current through an AC circuit depends on the magnitude of the applied voltage and impedance of the circuit:-A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applied to a series LCR circuit in which R = 3Omega , L =25.48 mH, and C = 796 muF . Find the impedance of the circuit