This video lecture from Electrostatics (F.Sc. 2nd Year Physics) covers Definition of electric potential in terms of work done in bringing a unit positive charge from infinity ,electric field as a potential gradient. Expression of potential at appoint due to point charge ,electron volt. Find more e-learning material and educational video lectures in Urdu at www.maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab.