To obtain n-type extrinsic semiconductor, the impurity element to be added to germanium should be of valency

To obtain p-type extrinsic semiconductor, the impurity element to be added to germanium should be of valency

To obtain n-type semiconductor , the impurity introduced is

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

To get n-type doped semiconductor, the impurity to be added to silicon should have the following number of valence electrons ?

To obtain a P -type germanium semiconductor, it must be dopped with