A gas is taken through the cycle \[A\to B\to C\to A,\] as shown. What is the net work done by the gas?[NEET 2013] |
A) 2000 J
B) 1000 J
C) Zero
D) 2000 J
Correct Answer: B
Solution :
Net work done = Area enclosed in pV curve. i.e., \[\Delta ABC\] |
\[=\frac{1}{2}\times 5\times {{10}^{-3}}\times 4\times {{10}^{5}}J\] |
\[={{10}^{3}}J\] |
\[=1000\,J\] |
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