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A gas is taken through the cycle A → B → C → A, as shown. What is the net work done by the gas?
A
−2000 J
B
2000 J
C
1000 J
D
Zero
Detailed Solution
Net work done = area of triangle ABC
$= \frac{1}{2}\times[(7 - 2)\times10^{-3}][(6 - 2)\times10^5] = 1000$ J
$= \frac{1}{2}\times[(7 - 2)\times10^{-3}][(6 - 2)\times10^5] = 1000$ J