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  4. A thermodynamic system undergoes cyclic process ABCDA as shown in figure. The work done by the system in the cycle is

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Q. A thermodynamic system undergoes cyclic process $ABCDA$ as shown in figure. The work done by the system in the cycle isPhysics Question Image

AIPMTAIPMT 2014Thermodynamics

Solution:

Work done in process $ODA =1 / 2 \times P _{ o } \times V _{ o }$
While work done in the process $OBC =\frac{-1}{2} P _{ o } V _{ o }$
$\therefore$ net $W =0$