A 8 muF capacitor is fully charged acros...

A `8 muF` capacitor is fully charged across a 12V battery, it is then disconnected from the battery and connected to an uncharged capacitor. If the voltage across the capacitor becomes 3V, then the capacitance of the uncharged capacitor will be

`24 muF`

`20 muF`

`28 muF`

`30 muF`

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