A capacitor of capacity $C_1$ charged upto V volt and then connected to an uncharged capacitor $C_2$. Then final P.D. across each will be

Question

( A ) $[1-\frac{C_2}{C_1}]V$
( B ) $[1+\frac{C_2}{C_1}]$
( C ) $\frac{C_2V}{C_1+C_2}$
( D ) $\frac{C_1V}{C_1+C_2}$