LCR Parallel Circuit

Questions On Resonance in LCR Circuit||Parallel Ac Circuit

Keeping the source of frequency equal to the resonating frequency of the series LCR circuit, if the three elements L, C and R in are arranged in parallel , show that the total current in the parallel LCR circuit is a minimum at this frequency. Obtain the r.m.s. value of current in each brach of the circuit for the elements and source specified in for this frequency.

In an LCR series circuit the current is

In LCR series circuit if the frequency is increased, the impendance of the circuit

In LCR series AC circuit, the current

The average power in LCR series circuit is

For an LCR sereis circuit with an angular freequency omega .

At resonance, the value of the power factor in an LCR series circuit is

To reduce the resonant frequency in an LCR series circuit with a generator