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

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

User Sebastian Redl
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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.
User Paul Rambags
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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.
User Scott Anderson
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User Adr
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The ratio of output power to input power, in percent, is called A. conductivity. c. work. B. efficiency. d. horsepower.
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