RLC Circuits and Resonance - Technical MCQs

Q1:

What is the bandwidth in the given circuit. If the winding resistance of the coil is 12 omega.gif?

A 6.4 kHz

B 47.2 kHz

C 53.7 kHz

D 60.2 kHz

ANS:B - 47.2 kHz

R = 150+12 = 162 ohms.

BW = R/2*pi*L.

BW = 162/2*3.1416*4 mH = 6.44 kHz.