Draw the energy band diagram of an intrinsic semiconductor.

Draw energy band diagram of an intrinsic semiconductor at room temperature.

Draw the energy band diagram when intrinsic semiconductor (Ge) is doped with impurity atoms of Antimony (Sb). Name the extrinsic semiconductor so obtained and majority charge carriers in it.

Draw an energybnad diagram for an intrinsic semiconductor.

How is an n-type semiconductor formed? Name the major change carriers in it. Draw the energy band diagram of n-type semiconductor.

How is p-type semiconductor formed? Name the major charge carriers in it. Draw the energy band diagram of a p-type semiconductor.

Draw the energy band diagram of a p-type semiconductor. Deduce an expression for the conductivity of a p-type semiconductor.