Some equipotential surfaces for (a) a dipole, (b) two identical positive charges. The above figure is (a) Equipotential surfaces for a dipole and (b) Equipotential surfaces with two identical positive charges. Work Done in Equipotential Surface Moving a charge between two places on an equipotential surface is always zero. Learn about electric equipotential surfaces for IB Physics. Explore the relationship between field strength and potential gradient in radial and uniform fields. Equipotential Surfaces | What Are Equipotential Surfaces :- In the following figure if a charge is shifted from point A to B on a surface M which is perpendicular to the direction of electric field, then no work is done because electrostatic force on the charge particle is perpendicular to the direction of it’s displacement. Learn more about Equipotential Surface in detail with notes, formulas, properties, uses of Equipotential Surface prepared by subject matter experts. Download a free PDF for Equipotential Surface to clear your doubts.

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