question_answer

The efficiency of Carnot engine when source temperature is T1 and sink temperature is T2 will be             [DCE 2000]

A)            \[\frac{{{T}_{1}}-{{T}_{2}}}{{{T}_{1}}}\]                        

B)             \[\frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{2}}}\]

C)            \[\frac{{{T}_{1}}-{{T}_{2}}}{{{T}_{2}}}\]                        

D)            \[\frac{{{T}_{1}}}{{{T}_{2}}}\]