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Each of two large conducting parallel pl...

Each of two large conducting parallel plates has one sided surface area A. If one of the plates is given a charge Q whereas the other is neutral, then the electric field at a point in between the plates is given by

A

`(Q)/(A epsilon_(0))`

B

`(Q)/(2A epsilon_(0))`

C

`(Q)/(4A epsilon_(0))`

D

Zero

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Two large metal plates are placed parallel to each other The inner surfaces of plates are charge by +sigmaand-sigma(Cm^(-2)) The outer surfaces are neutral .The electric field in the negion between the plates and outside the plates is

    A
    `(2sigma)/(epsilon_(0)),(sigma)/(epsilon_(0))`
    B
    `(sigma)/(epsilon_(0))`, zero
    C
    `(2sigma)/(epsilon_(0))`, zero
    D
    zero , `(2sigma)/(epsilon_(0))`

  • In a parallel plate capacitor with plate area A and charge Q, the force on one plate because of the charge on the other is equal to

    A
    `Q^(2)/(epsi_(0)A^(2))`
    B
    `Q^(2)/(2epsi_(0)A^(2))`
    C
    `Q^(2)/(epsi_(0)A)`
    D
    `Q^(2)/(2 epsi_(0) A)`

  • Two parallel metal plates having charges +Q and -Q face each other at a certain distance between them.If the plates are now dipped in kerosene oil tank ,the electric field between the plates will

    A
    becomes zero
    B
    increase
    C
    decrease
    D
    remain same

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