Efficiency is output over input. A more useful definition of efficiency could be useful output over input. In the exampl

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answerhappygod
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Efficiency is output over input. A more useful definition of efficiency could be useful output over input. In the exampl

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Efficiency is output over input. A more useful definition ofefficiency could be useful output over input. In the examplesbelow, (1) what are the forms of input energy and the forms ofoutput energy for each? (2) In the candle example, can we say thatthe efficiency of a candle is 100%? (3) are there any systems thatoperate at an efficiency > 100%? (hint: HVAC)
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