• # question_answer 31) A gas is taken through the cycled $A\to B\to C\to A$ , as shown. What is the net work done by the gas? A)  2000 J      B)  1000 JC)  Zero        D)  -2000 J

Work done in PV- diagram is equal to area enclosed in P-V curve $\Rightarrow$$W=\frac{1}{2}\times 5\times {{10}^{-3}}\times 4\times {{10}^{5}}=10\times {{10}^{2}}$ $=\,1000\,J$