Solve this:
Q5. The COP of a refrigerator is 5 is kept in a room having temperature at 27 C temperature inside the refrigerator will be
(A) - 23
(B) - 27
(C) - 46
(D) - 54
Q6. The temperature of the gas before and after expansion
(A) Tbefore > Tafter
(B) Tbefore < Tafter
(C) Tbefore = Tafter
(D) needs more information
Dear Student
COP or coefficient of performance” represented as β , defined as the ratio of the heat extracted from the cold body to the work needed to transfer it to the hot body.
Hence from the formula we have
Hence, option A is correct
remaining query ask in next thread.
Regards
COP or coefficient of performance” represented as β , defined as the ratio of the heat extracted from the cold body to the work needed to transfer it to the hot body.
Hence from the formula we have
Hence, option A is correct
remaining query ask in next thread.
Regards