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

Question:

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

Options :

(a) 41 °C
(b) 11 °C
(c) 21 °C
(d) 31 °C

Answer :

(d) 31 °C

Answer Steps :

step 1

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