What is the direction of the lines of force a | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(B) By definition,an equipotential surface is a surface where the electric potential is constant at all points. Since the work done in moving a charge

Vedclass · Accepted Answer

Normal to it

Vedclass · Answer

(B) By definition,an equipotential surface is a surface where the electric potential is constant at all points. Since the work done in moving a charge $q$ along the surface is $W = 0$,and $W = \int \vec{F} \cdot d\vec{l} = q \int \vec{E} \cdot d\vec{l} = 0$,it implies that the electric field $\vec{E}$ must be perpendicular to the displacement vector $d\vec{l}$ at every point on the surface. Therefore,the electric lines of force are always normal (perpendicular) to the equipotential surface.

What is the direction of the lines of force at any point on the equipotential surface?

Similar Questions

The points having equal potentials are:

Assertion $(A):$ $A$ spherical equipotential surface is not possible for a point charge.
Reason $(R):$ $A$ spherical equipotential surface is possible inside a spherical capacitor.

Draw an equipotential surface for a point charge.

In the electric field of a point charge $+q$, a certain charge is carried from point $A$ to points $B, C, D$ and $E$ along the paths shown in the figure. Then the work done:

The equation of an equipotential line in an electric field is $y = 2x$. The electric field strength vector at $(1, 2)$ may be:

Vedclass Test Series

Exam Paper Generator

Online Exam Module