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The capacity of a parallel plate conden...

The capacity of a parallel plate condenser increases four times if the air between the plates is replaced by glass. The permittivity of glass will be

A

`3.54 xx 10^-11 C^2/Nm^2`

B

`3.54 xx 10^-12 C^2/Nm^2`

C

`2.54 xx 10^-11 C^2/Nm^2`

D

`2.22 xx 10^-12 C^2/Nm^2`

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