The distance between the plates of a par...

The distance between the plates of a parallel plate capacitor is `0.04m` A field of `5000V//m` is established between the plates and an unchanged metal plate of thickness `0.01m` is inserted intothe condenser parallel to its plate. Find the `p.d`. between the plates (a) before the introducing of the metal plate and (b) after its introduction. what would be the `p.d.` if plate of dielectric constant `K=2` is introduced in place of metal plate?

`200V` , `150V` , `175V`

`200V` , `150V` , `275V`

`100V` , `150V` , `175V`

`400V` , `150V` , `175V`

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