A parallel plate capacitor is charged and the charging battery is then disconnected. If the plates of the capacitor are moved farther apart by means of insulating handles:

Options

A. the charges on the capacitor increases
B. the voltage across the capacitor increases
C. the capacitance increases
D. the electrostatic energy stored in the capacitor increases.

Answer

B, D

Explanation

`C` decreases, so `V` increases and `U` also increases.