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The electric potential at an axial point...

The electric potential at an axial point of an electric dipole depends upon the distance r(>>a) of the point from the centre of the dipole as

A

`prop r`

B

`prop1/r`

C

`prop1/r^2`

D

`prop1/r^3`

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Knowledge Check

  • The electric field at a point due to an electric dipole, on an axis inclined at an angle theta(lt90^@) to the dipole axis, is perpendicular to the dipole axis, if the angle theta is

    A
    `ten^(-1)(2)`
    B
    `tan^(-1)(1/2)`
    C
    `ten^(-1)(sqrt2)`
    D
    `tan^(-1)(1/sqrt2)`

  • An electric dipole placed in a non-uniform electric field experiences

    A
    A.both a torque and a net force
    B
    B.only a force but no torque
    C
    C.only a torque but no net force
    D
    D.no torque and no net force

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