A system is changed from state A to state B by one path and from B to – InterviewSolution

1.	A system is changed from state A to state B by one path and from B to A by another path. If U and U_2 are the corresponding change in internal energy, then:
Answer» `U_1+U_2=+ve` `U_1+U_2=-ve` `U_1+U_2=0` None Answer :C

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