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A hot water system is 65% efficient. If it is supplied with 3000 joules of electrical energy,how much heat energy does it produce? |
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Answer» Heat energy produced is 1950 joulesExplanation:efficiency of HOT water system = 65 % = 0.65electrical energy supplied INPUT = 3000 Joulesheat energy produced is output. ieefficiency = output / input0.65 = output / 3000output = 0.65 * 3000 = 1950 heat energy produced is 1950 joules |
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