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One short electric dipole is placed at a...

One short electric dipole is placed at a location in space. Locations where electric field intensity becomes zero are called a null points. How many null points exist around the dipole?

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There is no such point around the electric dipole where net electric field intensity is zero.
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Knowledge Check

  • An electric dipole is placed in an electric field generated by a point charge

    A
    The net electric force on the dipole must be zero
    B
    The net electric force on the dipole may be zero
    C
    The torque on the dipole due to the field must be zero
    D
    The torque on the dipole due to the field may be zero

  • In the diagram shown electric field intensity will be zero at a point.

    A
    Betwee -q and +2q charge
    B
    Towards +2 cahrge on the line
    C
    Away from line towards +2q charge
    D
    Away from line towards -charge

  • Two charge 9e and 3e are placed at a distance r. The distance of the point where the electric field intensity will be zero is :

    A
    `((r )/(1+sqrt(3)))` from 9e charge
    B
    `((r )/(1+sqrt(1//3)))` from 9e charge
    C
    `((r )/(1-sqrt(3)))` from 3e charge
    D
    `((r )/(1+sqrt(1//3)))` from 3e charge

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    Total electric force on an electric dipole placed in an electric field of a point charge is :

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