An ideal gas is taken through cyclic process as shown in the figure. The net work done by the gas is
(A) PV
(B) 2 PV
(C) 3 PV
(D) zero
Correct option: (A) PV
Explanation:
Workdone = area under PV curve = (1/2) × (3V – V) × (2P – P)
= (1/2) × 2V × P = PV
