A Parallel-Plate Capacitor Is Connected to a Battery and Becomes

Multiple Choice

A parallel-plate capacitor is connected to a battery and becomes fully charged.The capacitor is then disconnected,and the separation between the plates is increased in such a way that no charge leaks off.As the plates are being separated,the energy stored in this capacitor

A) increases.
B) decreases.
C) does not change.
D) become zero.