A refrigerator absorbs energy of magnitude |QC | as heat from a low temperature reservoir and transfers energy of magnitude |QH| as heat to a high temperature reservoir. Work W is done on the working substance. The coefficient of performance is given by:
A. |QC |/W
B. |QH|/W
C. (|QC | + |QH|)/W
D. W/|QC |
E. W/|QH|
Ans: A. |QC |/W
Physics & Space Science
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