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The capcity of a parallel plate condense...

The capcity of a parallel plate condenser is `10 muF`, when the distance between its plates is `8 cm`. If the distance between the plates is reduced to `4 cm`, then the capacity of this parallel plate condenser will be

A

`10 mu F`

B

`15 mu F`

C

`20 mu F`

D

`40 mu F`

Text Solution

Verified by Experts

The correct Answer is:
C
`C=(epsilon_(0)A)/8 =10 muFrArr C^(1)=(epsilon_(0)A)/4=20 muF`
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