Question

The applied input a.c. power to a half-wave rectifier is 100 Watt. The d.c. power output is 40 W. The power efficiency is :

Asked in HTET PGT Physics · 2025
The Junction Rectifier · Physics
Exam PYQ4 Options
PhysicsSemiconductorsThe Junction RectifierHTET PGT Physics2025
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Power is the rate of doing work: P = W/t.

Correct AnswerCorrect option for this question
Option B — 40%

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Semiconductor Devices & Applications has appeared in 42 previous-year exam questions, most frequently in UPSC, State PSC and SSC.
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