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Consider a disconnected. Plate capacitor...

Consider a disconnected. Plate capacitor of capacity `10 mu` with air filled in the gap between the plates. Now one-half of the space between the plates is filled with a dielectric of dielectric constant `4` as shown in .The capacity of the capacitor changes to
.

A

`25 muF`

B

`20 muF`

C

`40 muF`

D

`5 muF`

Text Solution

Verified by Experts

The correct Answer is:
A
a. Give `(epsi_(0)A)/(d) = 10`
`(epsilon_(0)A/2)/d+(4epsilon_(0)(A/2))/d=10[1/2+2=25muF]`.
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