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A charge Q is uniformly distributed over...

A charge Q is uniformly distributed over a large plastic plate. The electric field at a point P close to the centre of the plate is `10V m^(-1)`. If the plastic plate is replaced by a copper plate of the same geometrical dimension and carrying the same charge `Q` the electric field at the point P will become

A

zero

B

`5 V m^(-1)`

C

`10 V m^(-1)`

D

`20 V m^(-1)`.

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • Two plates are 2 cm apart. If a potential difference of 10 V is applied between them. The electric field between the plates will be

    A
    `20 NC^(-1)`
    B
    `500 NC^(-1)`
    C
    `5 NC^(-1)`
    D
    250 `NC^(-1)`

  • Two plates are 1 cm aprt and the potential difference between them is 10 V. the electric field between the plates is

    A
    `10 NC^(1)`
    B
    `250 NC^(-1)`
    C
    `500 NC^(-1)`
    D
    `1000 NC^(-1)`

  • Two plates are 1 cm apart and the potential difference between them is 10 V. The electric field between the plates is

    A
    `10 NC^(-1)`
    B
    `250 NC^(-1)`
    C
    `500 NC^(-1)`
    D
    `1000 NC^(-1)`

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