An ideal monoatomic gas is taken round the cycle ABCA as shown in the Fig. 17.9 The work done during the cycle is
zero
3 PV
6 PV
9 PV
Work done = area enclosed by the indicator diagram ABC =12×BC×AC=12×(4P−P)×(3V−V)=3PV
An ideal monoatomic gas is taken round the cycle ABCDA as shown in figure. The work done during the cycle is: