JoseCor JoseCor

17-04-2019
Physics

contestada

Efficiency is ?
A. The percentage of energy lost to the surrounding as heat.
B. The percentage of energy that is actually used to perform work.
C. The entire amount of energy.
D. The time it takes for half of the energy to be used.

Respuesta :

nickalis91 nickalis91

17-04-2019

It is b) because you need to use your energy efficient for working

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