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In a hollow spherical shell, the electri...

In a hollow spherical shell, the electric field intensity (E) changes with respect to distance (r ) from centre

A

B

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D

Text Solution

Verified by Experts

The correct Answer is:
D
Electric field inside the shell is zero and outside it varies as `(1)/(r^(2))`.
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Knowledge Check

  • In the case of a charged metallic sphere, potential (V) changes with respect to distance (s) from the centre as :

    A
    B
    C
    D

  • An uncharged ball of radius R is placed at a point in space and the region outside (from R to oo measured from centre of the ball) the ball is non-uniformly charged with a charge density rho=(C )/(r^(3))" coulomb/m"^(3) where 'C' is a positive constant and r is the distance of a point measured from centre of the ball. Electric field intensity at a distance x from centre of the ball (xgtR) is

    A
    `(C)/(epsilon_(0)R^(2))l n(x)/(R)`
    B
    `(C)/(2epsilon_(0)R^(2))l n((x-R)/(R))`
    C
    `(C)/(2epsilon_(0)R^(2))(R^(2)-x^(2))`
    D
    `(C)/(epsilon_(0)x^(2))l n(x)/(R)`

  • Which one of the following graphs represents the variation of electric field with distance r from the centre of a charge spherical conductor of radius R?

    A
    B
    C
    D

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    An electric dipole is placed in a uniform electric field of Intensity E as shown in the figure. What is the net force on the system?

    Statement I : Electric potential on the surface of a charged sphere of radius R is V. Then electric field at a distance r=(R )/(2) from centre is (V)/(2R) . Charge is distributed uniformly over the volume. Statement II : From centre to surface, electric field varies linearly with r. Here, r is distance from centre.

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