In a thermodynamic process,if $\Delta W$ and $\Delta U$ are the work done and the change in the internal energy of a system respectively,then:

  • A
    $\Delta U = \Delta W$ in an adiabatic process
  • B
    $\Delta U = \Delta W$ in an isothermal process
  • C
    $\Delta U = -\Delta W$ in an isothermal process
  • D
    $\Delta U = -\Delta W$ in an adiabatic process

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