Questions in semiconductor

Select	Question
	(USS 133) Indium impurity in germanium makes
	Fermi level of energy of an intrinsic semiconductor lies
	In a semiconductor the separation between conduction band and valence band is of the order of
	The intrinsic semiconductor becomes an insulator at
	The addition of antimony atoms to a sample of intrinsic germanium transforms it to a material which is
	Resistance of semiconductor at $0{}^\circ K$ is
	In a good conductor the energy gap between the conduction band and the valence band is
	The impurity atom added to germanium to make it N-type semiconductor is
	When N-type of semiconductor is heated
	To obtain a P-type germanium semiconductor, it must be doped with