A cyclic process ABCA is shown in V-T diagram (Fig (a)). It is performed with a constant mass of ideal gas. How will this transform to a p-V digram?

Explanation

Straight line form A to B on the V-T diagram means `V prop T`, i.e., .p. is constant. V is constant and temperature decreases. Along B - C i.e., p should also decrease.

Temperature is constant along CA. That means it is an isothermal process. The p-V curve would look as shown in the Fig.