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Deive an expression for the electric fie...

Deive an expression for the electric field at any point on the equatorial line of an electric dipole.

Text Solution

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The correct Answer is:
`b Q= -(q)/(4) `, mid way between the two charges.
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(a) Derive and expression for the electric field at any point on the equatorial line of an electric dipole. (b) Two identical point charges, q each kept 2m apart in air. A third point charge Q of unknown magnitude and sign is placed on the line joining the charges such that the system remains in equilibrium. Find the position and nature of Q.

Derive an expression for the electric field at any point along the axial line of an electrical dipole.

Knowledge Check

  • The electric potential at a point on the equatorial line of a electric dipole is

    A
    directly proportional to the square of the distance
    B
    indirectly proportional to the square of the distance
    C
    directly proportional to the charge
    D
    none of the above

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