A) 1/2
B) 1/4
C) 3/4
D) 1
Correct Answer: A
Solution :
\[\eta =\frac{{{T}_{1}}-{{T}_{2}}}{{{T}_{1}}}=\frac{(273+727)-(273+227)}{273+727}\]\[=\frac{1000-500}{1000}=\frac{1}{2}\]You need to login to perform this action.
You will be redirected in
3 sec