Physics, asked by nidhiravishanker, 1 year ago

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

Answers

Answered by Shivaye11
310
heyya here's ur ans

5= heat abs/work done
5= T(fr) / T(surr) - T(fr)
5= 253K / T - 253
5T - 1265 = 253
5T = 1518
T = 303.6K or 30.6°C..this is ur ans

...hope this helps...plz mark brainliest..
Answered by aditi49693
56

30.6°C

Explanation:

In this,the coefficient of performance of a refrigerator is given. All the data were just putted in formula.

B=Qc/Qh-Qc

The temperature were taken in kelvin.

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