An ideal gas is initially at P1,V1 is ex...

An ideal gas is initially at `P_1,V_1` is expands to `P_2,V_2` and then compressed adiabatically to the same volume `V_1` and pressure `P_3.` If W is the net work done by the gas in complete process which of the following is true.

`W gt 0 , P3 gt P1`

`W it O,P3 gt P1`

`W it O,P3 it P_1`

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