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JEE Main & Advanced Physics Electrostatics & Capacitance Question Bank Electric Dipole

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    The electric field due to an electric dipole at a distance r from its centre in axial position is E. If the dipole is rotated through an angle of \[\text{9}0{}^\circ \]about its perpendicular axis, the electric field at the same point will be                     [J & K CET 2005]

    A)            E

    B)                                      E / 4

    C)                 E / 2      

    D)                 2E

    Correct Answer: C

    Solution :

                    When the dipole is rotated through at an angle of \[\text{9}0{}^\circ \] about it's perpendicular axis then given point comes out to be on equator. So field will become E / 2 at the given point.


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