Electric Field Lines and Equipotential Surfaces
Electric Field Lines and Equipotential Surfaces: Overview
This Topic covers sub-topics such as Equipotential Surfaces, Electric Lines of Force, Properties of Electric Lines of Force, Properties of Equipotential Surfaces and, Equipotential Surfaces due to a Point Charge
Important Questions on Electric Field Lines and Equipotential Surfaces
Assertion: Two equipotential surfaces cannot cut each other.
Reason: Two equipotential surfaces are parallel to each other.
Assertion(A): Electric field is always normal to equipotential surfaces and along the direction of decreasing order of potential.
Reason (R): Negative gradient of electric potential is electric field.
Nature of equipotential surface for a point charge is
The instantaneous values of current and voltage in an circuit are given by . Then
In an ac circuit the current and the A.C. potential is Volt. Then the power consumed is.
The equipotential surface of an electric dipole is
What is the angle between the electric field and the plane of an equipotential surface?
Electric field in a region is increasing in magnitude along -direction. The equipotential surfaces associated are
Figure shows some equipotential lines distributed in space. A charged particle is moved from point to point
The figure shows two parallel equipotential surfaces A and B kept a small distance r apart from each other. A point charge of q coulomb is taken from the surface A to B. The amount of net work done will be :-
How the electric field lines due to two identical positive charges are different from the field lines due to two identical negative charges?
Which one of the following statements is not true for electric field lines due to two positive charges situated at a distance in space?
The electric field lines are drawn for two charges and situated at a distance in space, as shown below. Which one of the following statements is true for the charges and ?
Some equipotential surfaces, which are normal to plane are shown in the adjoining figure. The magnitude of the electric field is :-
The spatial distribution of the electric field due to two charges ( and ) is shown in figure. Which one of the following statements is correct?
Which of the following, not an electrostatics field?
A metallic solid sphere is placed in a uniform electric field. The lines of force the path(s) shown in figure as :
In moving from to along an electric field line, the electric field does of work on a electron. If are equipotential surfaces, then the potential difference is :
A hollow conducting sphere is placed in an electric field produced by a point charge placed at as shown in figure. Let be the potential at points and respectively. Then:
A hollow conducting sphere is placed in an electric field produced by a point charge placed at as shown in figure. Let be the potentials at points and respectively. Then