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A 10 muF capacitor is charged to a poten...

A `10 muF` capacitor is charged to a potential difference of `50 V` and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes `20` volt. The capacitance of second capacitor is

A

`15 mu F`

B

`30 mu F`

C

`20 mu F`

D

`10 mu F`

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The correct Answer is:
A
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