A parallel plate capacitor is made of ...

A parallel plate capacitor is made of two circular plates separated by a distance of 5 mm and with a dielectric of dielectric constant 2.2 between them. When the electric field in the dielectric is`3 xx 10^(4) V//m`, the charge density of the positive plate will be close to :

`6 xx 10^(-7) C //m^2`

`3 xx 10^(-7) C//m^2`

`3 xx 10^4 C//m^2`

`6 xx 10^4 C//m^2`

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