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This question belongs to Electrical Engineering Energy And Power

Energy and Power

?

A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is

A) 8.57 % B) 42.85 % C) 4.28 % D) 85.7 %

Answer & Solution

Correct Answer: Option D

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Question posted by Examveda

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Awais Ahmed 2 years ago

Efficiency = output power / input power =0.6/0.7 =0.857 =85.7%

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A power supply produces a 0 6 W output with an...

A power supply produces a 0.6 W output with an input of 0.7 W. Its percentage of efficiency is

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