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Engineering, 06.02.2021 02:00 rubal6

Please answer ASAP!! How do we define energy efficiency?

А.) the ratio of the actual output energy to the input energy

B.) the ratio of power gain to power loss

C.) the product of input power and output power

D.) the sum of potential and kinetic energy

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Please answer ASAP!! How do we define energy efficiency?

А.) the ratio of the actual ou...
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