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Two moles of helium gas are taken over t...

Two moles of helium gas are taken over the cycle ABCDA, as shown in the P-T diagram

The net work done on the gas in the cycle ABCDA is :

A

zero

B

276 R

C

`1076 R`

D

`1904 R`

Text Solution

Verified by Experts

The correct Answer is:
B
Net work done in a cycle is `W_(AB)+W_(CB)+W(BA)= 400R+2xx2.303xx 500R ln 2-400R-414R`
`=1000Rxx ln 2-600R xx ln 2= 400R xx ln 2=276R`.
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