Friday, 14 April 2017

Physics Made Simple : Electrostatics : Electric Field

Electric Field:

The electric field due to a charge is the space around that charge where it experiences a force.

The presence of an electricfield around a charge cannot be detected unless another charge is brought towards it.

If a test charge g is placed near a charge q which being the source of electric field, an electrostatic force F will act on the test charge.

Electric Field Intensity :

Electric field at a point is measured in terms of  electric field intensity.

Electric field intensity at a point in an electric field is defined as the force experienced by a unit positive charge kept at that point.

Electric lines of force :

Electric line of force is an imaginary straight or curved path along which a unit positive charge tends to move in an electric field.

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