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I. An equipotential surface is a surface of constant potential. II. The electrostatic force does no work on a charge that moves along an equipotential surface. III. The equipotential surfaces surrounding a point charge consist of an infinite number of concentric spherical shells IV. Electric field lines are everywhere perpendicular to equipotential surfaces. O I only OI and II only III and IV only O All of the above The electric potential is constant throughout a certain region of space. What can you say about the electric field in this region? O The electric field is zero. O The electric field is non-zero.

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Solution- o All the above Eleetrie fteld-AV The elechichel c) 300 SeDo

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