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Two capacitors, 3mu F and 4mu F, are ind...

Two capacitors, `3mu F` and `4mu F`, are individually charged across a 6V battery. After being disconnected from the battery, they are connected together with the negative place of one attached to the positive plate of the other. What is the common potential?

A

6V

B

`(6/7)V`

C

2V

D

`(3/2)V`

Text Solution

Verified by Experts

The correct Answer is:
B
`V=(Q_("total"))/(C_(eq)) =(4xx6-3xx6)/(4+3)=6/7V`
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