An refrigerator keeps food in the freezer portion at -15$^{\circ}$C and dumps excess heat into the kitchen,whose temperature is 20$^{\circ}$C.If the refrigerator has half the coefficient of performance of an ideal reversible refrigerator,what is the refrigerator's coefficient of performance under these conditions?
A) 1.1
B) 4.2
C) 2.0
D) 3.7

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The Answer of An refrigerator keeps food in the freezer portion at -15$^{\circ}$C and dumps excess heat into the kitchen,whose temperature is 20$^{\circ}$C.If the refrigerator has half the coefficient of performance of an ideal reversible refrigerator,what is the refrigerator's coefficient of performance under these conditions?
A) 1.1
B) 4.2
C) 2.0
D) 3.7

An Refrigerator Keeps Food in the Freezer Portion at -15 ∘^{\circ}∘

An Refrigerator Keeps Food in the Freezer Portion at -15 $^{\circ}$