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  4. Efficiency of a half-wave rectifier is nearly:

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Q. Efficiency of a half-wave rectifier is nearly:

Rajasthan PMTRajasthan PMT 2005Semiconductor Electronics: Materials Devices and Simple Circuits

Solution:

We know that the efficiency of half wave rectifier is equal to
$\frac{4}{\pi^{2}}=\frac{4}{(3.14)^{2}}=0.40=40 \%$