Electric Field
Electric Field: Overview
This topic consists of various concepts like Electric Field,Electric Field at a Point in Vector Form,Electric Field Due to Two or More Charges, etc.
Important Questions on Electric Field
A charge q is placed at the centre of the line joining two equal charges Q. The system of three charges will be in equilibrium if

A particle of mass is carrying a charge of . The particle stays in equilibrium under a given electric field. Find the magnitude and the direction of the electric field.

ABC is an equilateral triangle whose each side is . At A and B are placed charges of and respectively. What will be magnitude and direction of the resultant field at C?

Conduction electrons are almost uniformly distributed within a conducting plate. When placed in an electric field , the electric field within the plate

Find electric field intensity on finite line of charge.

A charge is uniformly distributed over a semi-circular ring of radius . A point charge is kept on the centre of semi-circular ring as shown. The electrostatic force experienced by the point charge in given arrangement is

In the following figure, the electric field on the y-axis will be maximum at

Find the electric field at point P:

When electric field is applied to the electrons in a conductor it starts

Two point charges and are placed at some distance apart. If the electric field at the location of is , the field at the location of is

An unknown charge is placed at the origin and another charge of is placed at position . The x- component of the electric field due to these two charges at position is zero. Determine charge .

The force exerted by an electric field on a charge of at a point is The intensity of electric field is

In a given region, electric potential varies with position as .
Identify which of the following statements is correct.


Two charges of and are separated by a distance of . The intensity of electric field at a point midway between them is _____ .

Value of electric field for which will go undeflected will be _____.
Here and are charge and mass of electron.

Why electric field is zero at centre of regular polygon?

A point charge is located at . Find electric field at .

A point charge is located at . Find electric field at .

The charge is distributed on thin semicircular ring of radius . There is a uniform electrostatic field directed horizontally. The semicircular ring can rotate freely about a fixed vertical axis . Initially the ring is in static equilibrium as shown in figure. If we want to rotate it about the fixed axis by , then minimum work required on the ring is . Find the value of .
