Physics - Heat & Thermo Question with Solution | TestHub

Area under the PV-curve gives the work done. The cycle ABCA encloses a triangle of area $\frac{1}{2}\times V_0\times P_0=\frac{1}{2}{P}_0{V}_0$, so the work done in the complete cycle is $\frac{1}{2}{P}_0{V}_0$.