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A parallel plate capacitor is made of tw...

A parallel plate capacitor is made of two circular plates separated by a distance of 5mm and with a dielectric of dielectric constant 2.2 between them. When the electric field in the dielectric is `3xx10^(4) V/m`, the charge density of the positive plate will be close to

A

`6xx10^(4) C/m^2`

B

`6xx10^(-7)C/m^2`

C

`3xx10^(-7)C/m^2`

D

`3xx10^(4)C/m^2`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • A parallel plate capacitor has a capacitance of 50muF in air and 110muF when immersed in oil, the dielectric constant of the oil is

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  • A parallel-plate capacitor of area A, plate separation d and capacitance C is filled with four dielectric materials having dielectric constants k_1,k_2,k_3 and k_4 as shown in the figure below. If a single dielectric material is to be used to have the same capacitance C in this capacitor, then its dielectric constant k is given by

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