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Punjab Medical Punjab - MET Solved Paper-2001

  • question_answer
    A system is changed from state \[A\] to state \[B\] by one path and from \[B\] to \[A\] another path. If\[{{E}_{1}}\] and \[{{E}_{2}}\] are the corresponding  changes  in  internal energy, then

    A) \[{{E}_{1}}+{{E}_{2}}=-ve\]

    B) \[{{E}_{1}}+{{E}_{2}}=+ve\]

    C) \[{{E}_{1}}+{{E}_{2}}=0\]

    D)  none

    Correct Answer: C

    Solution :

    \[\Delta E=0\]for a cyclic process.


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