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.	0.0857
B.	0.4285
C.	0.0428
D.	0.857
Answer» E.

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