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.
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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 ...
the expert examines the electric potential due to electric dipoles. A step by step solution provided.