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+2 votes
68.5k views
in Physics by (79.3k points)

The coefficient of performance of a refrigerator is 5. If the temperature inside freezer is -20°C, the temperature of the surroundings to which it rejects heat is

(a) 11°C

(b) 21°C

(c) 31°C

(d) 41°C

1 Answer

+4 votes
by (76.4k points)
selected by
 
Best answer

Correct option  (c) 31°C

Explanation:

The coefficient of performance of a refrigerator is

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