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If peak voltage on a bridge full wave rectifier circuit is 5V and diode cut in voltage os 0.7, then the peak inverse voltage on diode will be_________(a) 4.3V(b) 9.3V(c) 8.6V(d) 3.6VI had been asked this question during an online interview.This is a very interesting question from Bridge Rectifier in chapter Application of Diodes of Electronic Devices & Circuits

Answer»

Correct choice is (d) 3.6V

To explain I would say: PIV is the maximum reverse BIAS voltage that can be appeared across a DIODE in thecircuit. If PIV RATING of diode is less than this value breakdown of diode may OCCUR.. Therefore, PIV rating of diode should be greater than PIV in the circuit, For bridge RECTIFIER PIV is Vm-VD = 5-1.4=3.6.



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