the intial state A has the temperature `T_(A)U_(A)`as the internal energy of the system . By appling the mechanical work . New state B is achieved with the temperatutre `T_(B)` and having the interanal energy `U_(B)`. Given that `t_(B) gt T_(A)`. What is the correct expression for the change in internal energy `(DeltaV)` ?A. `U_(B)= U_(A)`B. `U_(B) -U_(A)`C. `U_(A) - U_(B)`D. none of these

the intial state A has the temperature `T_(A)U_(A)`as the internal ene

1.	the intial state A has the temperature `T_(A)U_(A)`as the internal energy of the system . By appling the mechanical work . New state B is achieved with the temperatutre `T_(B)` and having the interanal energy `U_(B)`. Given that `t_(B) gt T_(A)`. What is the correct expression for the change in internal energy `(DeltaV)` ?A. `U_(B)= U_(A)`B. `U_(B) -U_(A)`C. `U_(A) - U_(B)`D. none of these
Answer» Correct Answer - b the change in the internal energy is `DeltaU=U_(B)-U_(A)`

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