How is the work calculated if the external pressure is constant during expansion? - THERMODYNAMICS Quiz | GKFix.in

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Question

How is the work calculated if the external pressure is constant during expansion?

A. w = pex(Vf – Vi)
B. w = – pex(Vi – Vf)
C. w = – pex(Vf – Vi)
D. w = pexΔV