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    Electric potential due to electric dipole

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    Write down an expression for the electric potential about an electric dipole, as a function of the spatial coordinates relative to the dipole.

    Calculate the electric field as a function of these spatial coordinates from the electric potential.

    A 2D solution (with the dipole existing in the 2D plane) is fine.

    Thanks

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    https://brainmass.com/physics/electric/electric-potential-due-electric-dipole-203748

    Solution Preview

    Let us consider the potential at a point P with coordinates (r, θ) as shown.

    The potential at a point due to a charge q is kq/r, where k = 1/(4Πε0) = 9 x 109.

    r1 ≈ r - a(cos θ)

    r2 ≈ r + a(cos θ)

    The potential at P due to the charge +q is ...

    Solution Summary

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