Question

In a full wave rectifier circuit operating from $50Hz$ mains frequency, the fundamental frequency in the ripple would be

• A. $25Hz$
• B. $50Hz$
• C. $70.7Hz$
• D. $100Hz$

Answer 1

The correct option is D $100Hz$

In full wave rectifier, we get the output for the positive and negative cycle of input a.c. Hence the frequency of the ripple of the output is twice than that of input a.c. i.e. $100Hz$