A heat pump uses 100 J of work to output 150 J of heat at some temperature. What is the coefficient of performance for the heat pump?
A) 1.0
B) 1.5
C) 2.0
D) 2.5
E) 3.0

Name: A heat pump uses 100 J of work to output 150 J of heat at some temperature. What is the coefficient of performance for the heat pump? A) 1.0 B) 1.5 C) 2.0 D) 2.5 E) 3.0
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The coefficient of performance (COP) for a heat pump is defined as the ratio of the heat output to the work input. In this case, the COP is 150 J / 100 J = 1.5.

A Heat Pump Uses 100 J of Work to Output