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JEE Main & Advanced Physics Thermodynamical Processes Question Bank Heat Engine Refrigerator and Second Law of Thermodynamics

  • question_answer
    In a cyclic process, work done by the system is  [BHU 2002]

    A)            Zero

    B)            Equal to heat given to the system

    C)            More than the heat given to system

    D)            Independent of heat given to the system

    Correct Answer: B

    Solution :

               For cyclic forces \[\Delta U=0\] So, \[\Delta Q=\Delta W\]


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