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When a system is taken from state f alon...

When a system is taken from state f along path `iaf, Q = 50 J` and `W = 20 J`. Along path `ibf, Q = 35 J`. If `W = -13 J` for the curved return path `f I, Q` for this path is

A

(a)33 J

B

(b)23 J

C

(c)`-7 J `

D

(d)`-43 J`

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The correct Answer is:
d
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