Questions in semiconductor

Select	Question
	The temperature coefficient of resistance of a semiconductor
	P-type semiconductor is formed when
	In case of a semiconductor, which of the following statement is wrong
	Energy bands in solids are a consequence of
	In a P-type semiconductor
	At ordinary temperatures, the electrical conductivity of semi conductors in $mho/mete\text{r}$ is in the range
	When the temperature of silicon sample is increased from $27{}^\circ C$ to $100{}^\circ C$, the conductivity of silicon will be
	In a P-type semiconductor, germanium is doped with
	In N-type semiconductors, majority charge carriers are
	Semiconductor is damaged by the strong current due to