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Efficiency of a centre tapped full wave rectifier is _________

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Efficiency of a centre tapped full wave rectifier is _________

(a) 50%

(b) 46%

(c) 70%

(d) 81.2%

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The above asked question is from Full-wave Rectifier topic in section Application of Diodes of Electronic Devices & Circuits

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The correct choice is (d) 81.2%

For explanation: Efficiency of a rectifier is the effectiveness to convert AC to DC. It’s obtained by taking ratio of DC power output to maximum AC power delivered to load. It’s usually expressed in percentage. For centre tapped full wave rectifier, it’s 81.2%.

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