A cyclic process $ABCA$ is shown in the $V-T$ diagram. Process on the $P-V$ diagram is
Medium
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The process $A B$ is isobaric since it is an inclined straight line in the $V-T$ diagram.
The process $\mathrm{BC}$ is an isochoric process since the volume is constant
The process $\mathrm{CA}$ is isothermal since, temperature remains constant.
The only $P-v$ graph that matches the above criteria is option $\mathrm{C}$
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