# Diodes and their applications

### Explanation of question 9

A full-wave bridge rectifier is correctly connected to a 6V, 50Hz supply. The ripple frequency will be

1. 200Hz
2. 100Hz
3. 50Hz
4. 25Hz

The answer is :- 2 For half-wave rectification, the ripple frequency is the same as the supply frequency. For full-wave rectification (using either two diodes or a bridge circuit), the ripple frequency is twice the supply frequency.

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