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

Power Plants PLC Electric Power Electrical Engineering Electrical Maintenance
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Question added by ayaz khan , technician , phoenix armour
Date Posted: 2013/11/17
Upvote (1) Views (17) Followers (3) Answers (3) Report Question
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muhammad arif
by muhammad arif , Assistant Engineer , Phoenix armour

85.7 percent

نائل عقل
by نائل عقل , Sales Engineer , Zagha Electronic Equipments Crop

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

 

Salvador Herrero
by Salvador Herrero , Production Manager at Haramain Railway Project , EYM Instalaciones (OHL Group)

Performance=P output/P input =0.6 W /0.7 =0.86

Peformance (%) = Performance x100 =86 %

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