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A capacitor C1 is charged to a potential...

A capacitor `C_1` is charged to a potential difference V. The charging battery is then removed and the capacitor is connected to an uncharged capacitor `C_2`. The potential difference across the combination is

A

`(V C_1)/(C_1 + C_2)`

B

`(V C_2)/(C_1 + C_2)`

C

`(V C_1 C_2)/(C_1 + C_2)`

D

`V/(C_1 + C_2)`

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