What is the relation between electric field intensity and potential gradient ?

Derive the relation between electric field intensity and electric potential OR show that E = frac(-dv)(dx)

Obtain the relation between electric field and electric potential.

Define potential gradient.

Write down the relation between electric potential and potential difference

Derive the relation between electric field and current density.

What is the relation between the intensity and amplitude of a wave ?

Obtain the dimension of potential gradient.

A charge Q is kept at point A. The electric field intensity and electric potential at point B is 36 NC^-1 and 18 JC^-1 . Calculate the distance AB and magnitude of charge.

SI unit of electric intensity is

What is the difference between extensive and intensive properties?