Two moles of helium gas undergo a cyclic process as shown in figure. Assuming the gas to be ideal, the net work done by the gas is
Text Solution
Verified by ExpertsThe correct answer is:
A
At constant pressure
….. (i)
For an idea gas 
Or 
Form (i)
For constant temperature, 
constant
…… (iii)
So work done for path AB, BC, CD and DA
respectively will be
(using (ii))
(using (iii))
(using (ii))
(using (iii))
Hence, the work done in the complete cycle
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