In a P type semiconductor, the acceptor valence band is

What enables Ge behave as semiconductor even though all electrons in the valence band form covalent bonds? It is due to the small width of

In a good conductor, the energy levels in a valence band

Ge transistor can be operated at a temperature

The forbidden energy gap for germanium crystal?

In an N-type semiconductor, donor valence band is

An N-type semiconductor is

What is the resistivity of a pure semiconductor at absolute zero?

An n-type and a p-type silicon can be obtained by doping pure silicon with

In a semiconductor, the forbidden energy gap between the valence band and the conduction band is of the order is