A heat pump with COP = 5 uses electrical energy W to heat a house.How much heat is pumped into the house?

Name: A heat pump with COP = 5 uses electrical energy W to heat a house.How much heat is pumped into the house?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The coefficient of performance (COP) of a heat pump is defined as the ratio of the heat output to the work input. If COP = 5, then the heat pumped into the house is 5 times the electrical energy used, plus the electrical energy itself, so the total heat pumped is W + 5W = 6W.

A Heat Pump with COP = 5 Uses Electrical Energy