A series LCR circuit has

PHYSICS · Subjective · CBSE · Physics · Alternating Current · Alternating Current

Problem

L = 0.50\,\text{H}

C = 50\,\mu\text{F}

and

R = 10\,\Omega

. (a) Calculate the resonant frequency

f_0

of the circuit. (b) Determine the quality factor

Q

. (c) Find the bandwidth in hertz. (d) The resistance is now increased to

20\,\Omega

while

L

and

C

remain unchanged. Re-calculate

Q

and the bandwidth, and comment on the effect of increasing

R