Physics
BlancheGerman
18

8. The ratio of output power to input power, in percent?A. work. B. efficiency. C. horsepower. D. conductivity.

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(2) Answers
bolt

That ratio is the efficiency of whatever the power went into and came out of. There's no reason the efficiency has to be expressed as a percentage.

TstM01423831278

The ratio of output power to input power, expressed as a percentage is B. efficiency.  Efficiency is expressed as a percentage less than 100%, as a machine could never be completely efficient.

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