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Draw the Equipotential Surfaces Due to an Electric Dipole. - Physics

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Question

Draw the equipotential surfaces due to an electric dipole.

Diagram
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Solution

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Equipotential Surfaces
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2018-2019 (March) 55/1/3

RELATED QUESTIONS

Define an equipotential surface.


Draw the equipotential surfaces due to an electric dipole. Locate the points where the potential due to the dipole is zero.


Depict the equipotential surface due to
(i) an electric dipole,
(ii) two identical positive charges separated by a distance.


S1 and S2 are the two imaginary surfaces enclosing the charges +q and -q as shown. The electric flux through S1 and S2 are respectively ______.


Consider the following statements and select the correct statement(s).

  1. Electric field lines are always perpendicular to equipotential surface.
  2. No two equipotential surfaces can intersect each other.
  3. Electric field lines are in the direction of tangent to an equipotential surface.

Which of the following statements is/are correct for equipotential surface?
  1. The potential at all the points on an equipotential surface is same.
  2. Equipotential surfaces never intersect each other.
  3. Work done in moving a charge from one point to other on an equipotential surface is zero.

Which of the following is NOT the property of equipotential surface?


Consider a uniform electric field in the ẑ direction. The potential is a constant ______.

  1. in all space.
  2. for any x for a given z.
  3. for any y for a given z.
  4. on the x-y plane for a given z.

The work done to move a charge along an equipotential from A to B ______.

  1. cannot be defined as `- int_A^B E.dl`
  2. must be defined as `- int_A^B E.dl`
  3. is zero.
  4. can have a non-zero value.

Prove that a closed equipotential surface with no charge within itself must enclose an equipotential volume.


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