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The coefficient of performance of refri...

The coefficient of performance of refrigerator, whose efficiencty is 25% is

A

1

B

3

C

5

D

7

Text Solution

Verified by Experts

The correct Answer is:
B
The efficiency of refrigerator is
`eta`=25% =0.25
`therefore` coeffiecient of performance
`beta=(1-eta)/(eta)=(1-0.25)/(0.25)=(0.75)/(0.75)=3`
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