This video lecture from Electrostatics (F.Sc. 2nd Year Physics) In this video you will learn about how electroscope is working, how to find the charge on a body, type of charge and also to differentiate between insulator r conductor. 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.