Electronic Devices and Circuits - Engineering

Q1:

A full wave bridge rectifier is supplied voltage at 50 Hz. The lowest ripple frequency will be

A 400 Hz

B 200 Hz

C 100 Hz

D 50 Hz

ANS:C - 100 Hz

The frequency of pulsated DC after full wave rectifier is twice of its input frequency because both half cycles are combined (50 + 50 = 100).