Electronic Devi...

In an insulator, the forbidden energy gap between the valence band and conduction band is of the order of

When the conductivity of a semiconductor is only due to breaking of the covalent bonds, the semiconductor is called

A small impurity is added to germanium to get p-type semiconductor. This impurity is a

To obtain a p-type germanium semiconductor, it must be doped with

The impurity atoms with which pure silicon should be doped to make a p-type semiconductor are those of

When arsenic is added as an impurity to silicon, the resulting material is

When Ge crystal is doped with phosphorus atoms, it becomes

The depletion layer in the p-n junction region is caused by

The potential barrier in the depletion layer is due to

A p-n junction has a thickness of the order of