In a thermodynamic system,$\Delta U$ represents the increase in its internal energy and $dW$ is the work done by the system. Then,which of the following statements is correct?
- A$\Delta U = dW$ is an isothermal process
- B$\Delta U = -dW$ is an adiabatic process
- C$\Delta U = -dW$ is an isothermal process
- D$\Delta U = dW$ is an adiabatic process
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