A) 2.75
B) 3.50
C) 4.75
D) 5.25
Correct Answer: B
Solution :
\[COP\,\,=\,\,\frac{Q}{COP}\,\,=\,\,\frac{1TR}{W}\] \[W\,\,=\,\,\frac{1TR}{W}\frac{N}{COP}\] \[\therefore \,\,N\,\,=\,\,1TR\,\,=\,\,350\]You need to login to perform this action.
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