Question

Derive an expression for the impedance of a

series LCR circuit connected to an ac supply of

variable frequency.

Plot a graph showing variation of current with

the frequency of the applied voltage.

Explain briey how the phenomenon of

resonance in the circuit can be used in the

tuning mechanism of a radio or a TV set.

Answer 1

Answer:

Derive an expression for the impedance of series lcr circuit connected to an ac supply of variable frequency