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AIIMS2004PhysicsElectrostatics

Equipotential surfaces associated with an electric field which is increasing in magnitude along the x -direction are

Options

  1. Aplanes parallel to y z -plane
  2. Bplanes parallel to x y -plane
  3. Cplanes parallel to x z -plane
  4. Dcoaxial cylinders of increasing radii around the x -axis.

Correct answer

A. planes parallel to y z -plane

Step-by-step solution

Any surface which has same electrostatic potential at every point is called an equipotential surface. Electric field is always perpendicular to an equipotential surface. Therefore x -direction is perpendicular only to y z plane.

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