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A parallel plate condenser with oil betw...

A parallel plate condenser with oil between the plates (dielectric constant of oil K =2) has a capacitance C. If the oil is removed, the capacitance of the capacitor becomes

A

`sqrt(2)`C

B

2C

C

`C/sqrt(2)`

D

`C/2`

Text Solution

Verified by Experts

The correct Answer is:
(d)
`C_(air)/C_(medium) = 1/K`
`:. C_(air) = C_(medium)/K`
=`C_(medium)/2`
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