This video lecture from Properties of Solids (F.Sc. 2nd year physics) This video explains Conductors Inductor and briefly explains Semiconductors and their Intrinsic and Extrinsic nature and P-Type and N-Type semiconductors .Find more e-learning material and educational video lectures in Urdu at maktab.pk. These videos are free to use for promotional and commercial purpose by keeping the credits to Maktab