Solve this following


Directions : Question number 1, 2 and 3 are based on the following paragraph.

Two moles of helium gas are taken over the cycle ABCDA, as shown in the $\mathrm{P}-\mathrm{T}$ diagram.

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


  1. $1076 \mathrm{R}$

  2. $1904 \mathrm{R}$

  3. Zero

  4. $276 \mathrm{R}$

Correct Option: , 4


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