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  4. P-V diagram of an ideal gas is as shown in figure. Work done by the gas in the process ABCD is

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Q. P-V diagram of an ideal gas is as shown in figure. Work done by the gas in the process ABCD isPhysics Question Image

Thermodynamics

Solution:

$W_{AB} = -P_0V_0,$
$W_{BC} = 0$
$W_{CD} = 4P{0V}0$
$W_{ABCD} = W_{AB} + W_{BC} + W_{CD}$
$= -P_0V_0 + 0 + 4P_0V_0 = 3P_0V_0$