Semiconductors

This topic covers concepts such as conductivity, material on the basis of conductivity, insulators, semiconductors, and elemental semiconductors.

This topic covers concepts such as energy levels and energy bands in solids, classification of material on the basis of energy band, conduction band, energy band description of conductor, insulator and semiconductor, and so on.

This topic covers concepts such as electrons and holes, intrinsic semiconductor, electric current in intrinsic semiconductor due to electrons, intrinsic carrier concentration, and energy level diagram of intrinsic semiconductor.

This topic covers concepts such as doping and dopant, process of doping, extrinsic semiconductor, and n-type semiconductor.

This topic covers concepts such as p-n junction, potential barrier at the junction diode, forward biasing of junction diode, reverse biasing of junction diode, and characteristic curve of junction diode.

This topic covers concepts such as application of semiconductors, other applications of semiconductors, etc.

This topic covers concepts such as thermistor, types of thermistors, positive temperature coefficient thermistor, and construction and properties of a thermistor.