Electric Field Intensity - Definition, Formula and Unit

Electric Field Intensity - Definition, Formula and Unit

In this post, we will cover the Electric Field Intensity Definition, Formula and Unit that will help you to understand Electric Field Intensity better.
Electric Field Intensity - Definition, Formula and Unit

Electric Field Intensity Definition-

Electric Field Intensity (E) may be defined in the following ways-

1. Electric field intensity is the force experienced by a unit positive charge placed at that point.

E = F/Q newton/coulomb (i.e., force per unit charge).

2. Electric field intensity is equal to the lines of force passing normally through a unit cross-section at that point.

E=Q/εA

3. Electric intensity at any point in an electric field is equal to the potential gradient at that point.

E = dV/dX volt/meter.

Electric Field Intensity Formula-

Electric field intensity Formula is given by-

E = F/Q newton/coulomb
or
E=Q/εA
or
E = dV/dX volt/metre


Electric Field Intensity Unit-

The Unit of Electric field intensity is newton/coulomb or volt/meter.


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