A Refrigerator Uses 40 $^{\circ}$ CIf the Coefficient of Performance of the Refrigerator Is 2

question 28

Multiple Choice

A refrigerator uses 40.0 J of work to extract heat from a heat reservoir at 0.00 $^{\circ}$
C.If the coefficient of performance of the refrigerator is 2.10,then how much heat is discharged out of the refrigerator at a higher temperature?

• A) 52.0 J
• B) 66.0 J
• C) 86.0 J
• D) 124 J

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