FSc Physics Book2, CH 13 LEC 7 Rheostate

This video lecture from Current Electricity (F.Sc. 2nd Year Physics) . In this video you will learn about Rheostat its construction how can we use it as variable resistance, potential divider and also current vering device briefly. 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.