In a thermodynamic system,$W$ represents the work done by the system and $\Delta U$ is the increase in internal energy. Which of the following statements is $TRUE$?
- AIn an adiabatic process,$\Delta U = -W$
- BIn an isothermal process,$\Delta U = W$
- CIn an adiabatic process,$\Delta U = W$
- DIn an isothermal process,$\Delta U = -nW$
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