The electric field and the electric potential at a point are E and V respectively.

Electric potential at a point in an electric field.

Obtain the relation between electric field and electric potential due to a point charge.

Define potential at a point in an electric field.

Define potential at a point in an electric field.

The magnitude of electric field intensity and electric potential due to a point charge at a point is 72 N/C and 36V, respectively. Calculate magnitude of the charge and distance of the point from point charge.

The electric field E and potential V at a point are related to one another as :

Deduce the relation between electric field intensity and potential at a point in an electric field.