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The cofficient of performance of a refri...

The cofficient 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

`31^(@)C`

B

`41^(@)C`

C

`11^(@)C`

D

`21^(@)C`

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The correct Answer is:
A
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