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A system goes from \( A \) to \( B \) via two processes I and II as shown in figure. If \( \Delta U_{1} \) and \( \Delta U_{2} \) are the changes in internal
\( \mathrm{P} \) energies in the processes I and II respectively, then

W
[AIEEE 2005]
(a) \( \Delta U_{\text {II }}\Delta U_{\mathrm{I}} \)
(b) \( \Delta U_{\mathrm{II}}\Delta U_{\mathrm{I}} \)
(c) \( \Delta U_{\mathrm{I}}=\Delta U_{\mathrm{II}} \)
(d) Relation between \( \Delta U_{1} \) and \( \Delta U_{11} \) can not be determined
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