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Two condensers of capacity 3 mu F and 6 ...

Two condensers of capacity `3 mu F` and `6 mu F` respectively are connected in series . The combination is connected across a potential of 6 V. The ratio of the energies stored by the condensers will be

A

`1/2`

B

`2/1`

C

`1/4`

D

`4/1`

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