A) 50%
B) 24%
C) 0.75%
D) 0.4%
Correct Answer: A
Solution :
\[\eta =1-\frac{{{T}_{2}}}{{{T}_{1}}}=1-\frac{(273+123)}{(273+27)}=1-\frac{150}{300}=\frac{1}{2}=50%\]You need to login to perform this action.
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