Electrical Properties of Solids: On the basis of electrical conductivity, solids can be classified into three types- conductors, semi-conductors and insulators. The conductivity of a solid is one of its characteristic and throws light on the internal structure and bonding in the solid. The electrical conductivity of metals is very high and is of the order of 106-108 ohm-1cm-1. The insulators, on the other hand, have conductivity in the order of 10-12 ohm-1cm-1. Semi-conductors have intermediate conductivity which is in the range of 10-6 to 104 ohm-1cm-1. Conductors: The solids which allow the passage of electric current are called conductors. … Continue reading Electrical Properties of Solids