n mole of perfect gas undergoes a cyclic process ABCA (see figure) consisting of the following processes.
A->B  : Isothermal expansion at temperature T so that the volume is doubled from V1 to V2 and Pressure changes from P1 to P2.
B->C  : Isobaric compression at pressure P2 to initial volume V1.
C->A  : Isobaric change leading to change of pressure from P2 to P1.
Total work done in the complete cycle ABCA is:
 
n mole of perfect gas undergoes a cyclic process ABCA (see figure) consisting of the following processes.
A->B : Isothermal expansion at temperature T so that the volume is doubled from V1 to V2 and Pressure changes from P1 to P2.
B->C : Isobaric compression at pressure P2 to initial volume V1.
C->A : Isobaric change leading to change of pressure from P2 to P1.
Total work done in the complete cycle ABCA is:
Option 1 -
Option 2 -
Option 3 -
0
Option 4 -
nRTIn2
- 
1 Answer
- 
Correct Option - 3
 
 
 Detailed Solution:[At B, 2P2 V1 = nRT] [CA is isochoric process]. 
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From A to B the process is isobaric

= W = 2 × R (600 - 350)
= 500 R
Heat is path dependent so path function but internal energy does not depend on path chosen.
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