English

Answer the Following Question. Write Two Important Characteristics of Equipotential Surfaces. - Physics

Advertisements
Advertisements

Question

Answer the following question.
Write two important characteristics of equipotential surfaces.

Short Note

Solution

Two important characteristics of equipotential surfaces are: 

  • Potential remains at all the points on the equipotential surface.
  • No work is required to move a charge on an equipotential surface.
shaalaa.com
Equipotential Surfaces
  Is there an error in this question or solution?
2019-2020 (February) Delhi (Set 2)

RELATED QUESTIONS

Define an equipotential surface.


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?

Describe schematically the equipotential surfaces corresponding to

(a) a constant electric field in the z-direction,

(b) a field that uniformly increases in magnitude but remains in a constant (say, z) direction,

(c) a single positive charge at the origin, and

(d) a uniform grid consisting of long equally spaced parallel charged wires in a plane.


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.  


Assertion: Electric field is discontinuous across the surface of a spherical charged shell.
Reason: Electric potential is continuous across the surface of a spherical charged shell.


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.

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

Can two equipotential surfaces intersect each other? 


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.

Find the equation of the equipotentials for an infinite cylinder of radius r0, carrying charge of linear density λ.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×