A capacitor is charged by connecting a battery across its plates. It stores energy U. Now the battery is disconnected and another identical capacitor is connected across it, then the energy stored by both capacitors of the system will be: [AIPMT 2000]

A capacitor is charged by connecting a battery across its plates. It s

1.	A capacitor is charged by connecting a battery across its plates. It stores energy U. Now the battery is disconnected and another identical capacitor is connected across it, then the energy stored by both capacitors of the system will be: [AIPMT 2000]
A.	U
B.	\[\frac{U}{2}\]
C.	2U
D.	\[\frac{3}{2}U\]
Answer» C. 2U