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A thin. Metallic spherical shell contain...

A thin. Metallic spherical shell contains s charge Q on it. A point charge q is placed at the centre of the shell and another charge `q_1` is placed outside it as shown in figure (30-Q1). All the three charges are positive. The force on the charge at the centre is

A

towards left

B

towards right

C

upward

D

zero.

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • A charge Q muC is placed at the centre of a cube. The flux coming out from any surface will be

    A
    `(Q)/(24 epsi_(0))`
    B
    `(Q)/(8 epsi_(0))`
    C
    `(Q)/(6epsi_(0))xx10^(-6)`
    D
    `(Q)/(6epsi_(0))xx10^(-3)`

  • Consider a neutral conducting sphere . A positive point charge is placed outside the sphere. The net charge on the sphere is then

    A
    (a) negative only a point on the sphere
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    (b) zero
    C
    (c) negative and distributed uniformly over the surface of the sphere.
    D
    (d) negative and distributed non- uniformly over the surface of the sphere.

  • A charge q is enclosed as shown in fig. the electric flux is

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