A parallel plate capacitor is connected to a battery and charged to voltage V. L

Question

A parallel plate capacitor is connected to a battery and charged to voltage V. Leah says that the charge on the plates will decrease if the distance between the plates is increased while they are still connected to the battery. Gertie says that the charge will remain the same. Which one, if ether, is correct, and why? Leah, because the capacitance increases when the plate separation is increased. Gertie, because the maximum voltage is determined by the battery. Leah, because the capacitance decreases when the plate separation is increased. Neither, because the charge increases when the plate separation is increased. Gertie, because the capacitance of the capacitor does not change.

Explanation / Answer

Here ,

if the distance between the plates increase , the capacitance will decrease , as the potential is constant

charge on the capcitor = C * V

hence , charge on capacitor will decrease.

the correct option is

c)Leah ,beacuse the capacitance decreases when the plate seperation is increased

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