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The P - V diagram of a system undergoing...

The `P - V` diagram of a system undergoing thermodynamic transformation is shown in figure. The work done by the system in going from `A rarr B rarr C is 30 J` and `40 J` heat is given to the system. The change in internal energy between `A and C` is

A

10 J

B

70J

C

84 J

D

134 J

Text Solution

Verified by Experts

The correct Answer is:
A
`Delta Q = 40 J, W = 30 J," ":. Delta U = Delta Q - Delta W = 10 J`.
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