A power supply produces a 0.6 W output with an input of 0.7 W. Its per – McqOptions

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1.	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» E.

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