1.

The efficiency of a Carnot heat engine operating between absolute temperatures T 1 and T 2 (when, T 1 > T 2 ) is given by ( T 1 - T 2 )/ T 1 . The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T 1 and T 2 is given by

A. T 1 /( T 1 - T 2 )
B. T 2 /( T 1 - T 2 )
C. T 1 / T 2
D. T 2 / R 1
Answer» B. T 2 /( T 1 - T 2 )


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