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Displacement current is given by,...

Displacement current is given by,

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The current due to changing electric field (time varying electric field) is called displacement current.
To remove the inconsistency of Ampere.s circuital law.
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The concept of displacement current was given by

A capacitor made of two parallel plates each of plate area A and separation d, is being charged by an external a.c. source. Show that the displacement current inside the capacitor is the same as the current charging the capacitor.

Knowledge Check

  • The displacement current flows in the dielectric of a capacitor when the potential difference between its plates :

    A
    is changing with time
    B
    is changing with distance
    C
    has assumed a constant value
    D
    become zero

  • The bob of simple pendulum of length L is released at time t = 0 from a position of small angular displacement theta . Its linear displacement at time t is given by :

    A
    `x=thetao sin 2pi sqrt((L)/(g))xxt`
    B
    `x=L thetao cos 2pi sqrt((g)/(L))xxt`
    C
    `x=L thetao sin sqrt((g)/(L))xx t`
    D
    `x=L thetao cos sqrt((g)/(L))xxt`.

  • Displacement current goes through the gap between the plates of a capacitor when the charge of the capacitor :

    A
    is zero
    B
    decreases
    C
    does not change
    D
    increases

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