First slide

Application of p-n junction diode rectifier

Question

The maximum efficiency of full wave rectifier is

Moderate

A

100%
B

25.20%
C

40.2%
D

81.2%

Solution

$η = \frac{Output}{Input} = \frac{I_{dc}}{I_{AC}}$
$η = \frac{2 I_{0} / π}{I_{0} / \sqrt{2}} = \frac{2 \sqrt{2}}{π} = 81.2 %$

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