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Draw a Sketch of Equipotential Surfaces Due to a Single Charge (-q), Depicting the Electric Field Lines Due to the Charge - Physics

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प्रश्न

Draw a sketch of equipotential surfaces due to a single charge (-q), depicting the electric field lines due to the charge

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उत्तर

Equipotential surface for a negative charge:

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Equipotential Surfaces
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2015-2016 (March) All India Set 3 N

संबंधित प्रश्न

Two charges 2 μC and −2 µC are placed at points A and B 6 cm apart.

  1. Identify an equipotential surface of the system.
  2. What is the direction of the electric field at every point on this surface?

The discharging current in the atmosphere due to the small conductivity of air is known to be 1800 A on an average over the globe. Why then does the atmosphere not discharge itself completely in due course and become electrically neutral? In other words, what keeps the atmosphere charged?


Write two important characteristics of equipotential surfaces.


Find the amount of work done in rotating an electric dipole of dipole moment 3.2 x 10- 8Cm from its position of stable equilibrium to the position of unstable equilibrium in a uniform electric field if intensity 104 N/C.  


The diagrams below show regions of equipotentials.

(i)
(ii)
(iii)
(iv)

A positive charge is moved from A to B in each diagram.


If a unit positive charge is taken from one point to another over an equipotential surface, then ______.

Equipotential surfaces ______.


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


Equipotential surfaces ______.

  1. are closer in regions of large electric fields compared to regions of lower electric fields.
  2. will be more crowded near sharp edges of a conductor.
  3. will be more crowded near regions of large charge densities.
  4. will always be equally spaced.

Draw equipotential surfaces for (i) an electric dipole and (ii) two identical positive charges placed near each other.


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