Liza101bc
Liza101bc Liza101bc
  • 21-03-2017
  • Physics
contestada

if a light bulb is said to be 20% efficient, what does it mean 

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flashcats2287
flashcats2287 flashcats2287
  • 21-03-2017
(especially of a system or machine) achieving maximum productivity with minimum wasted effort or expense. Hope this helped.
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