Energy conversion efficiency
Ratio between the useful output and the input of a machine / From Wikipedia, the free encyclopedia
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Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in energy terms. The input, as well as the useful output may be chemical, electric power, mechanical work, light (radiation), or heat. The resulting value, η (eta), ranges between 0 and 1.[1][2][3]
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