A) 5
B) 8
C) 6
D) 6.5
Correct Answer: A
Solution :
Coefficient of performance \[K=\frac{{{T}_{2}}}{{{T}_{1}}-{{T}_{2}}}\] \[=\frac{(273-23)}{(273+27)-(273-23)}\]\[=\frac{250}{300-250}=\frac{250}{20}=5\]You need to login to perform this action.
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