An ideal gas undergoes an isothermal expansion. During this process, its entropy
A) decreases.
B) remains unchanged.
C) increases.
D) cannot be predicted from the data given.
Question 2
A resistor and an ideal inductor are connected in series to an ideal battery having a constant terminal voltage V0. At the moment contact is made with the battery,
(a) the voltage across the resistor is
A) V0.
B) V0/e.
C) V0/2.
D) zero.
(b) the voltage across the inductor is
A) V0.
B) V0/e.
C) V0/2.
D) zero.