A) 100 J
B) 1 J
C) 90 J
D) 99 J
Correct Answer: C
Solution :
[c] \[\beta =\frac{1-\eta }{\eta }\] |
\[=\frac{1-\frac{1}{10}}{\frac{1}{10}}=\frac{\frac{9}{10}}{\frac{1}{10}}\] |
\[\beta =9\] |
\[\beta =\frac{{{Q}_{2}}}{W}\] |
\[{{Q}_{2}}=9\times 10=90\,J\] |
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