How does the energy gap of an instrinsic semiconductor vary, when doped with a pentavalent impurity?

How does the energy gap in an instrinsic semiconductor vary, when doped with a pentavalent impurity and a trivalent impurity. Draw their energy band diagrams.

How does the energy gap of an intrinsic semiconductor vary, when doped with a trivalent impurity?

How does the energy gap of an intrinsic semiconductor vary. When doped with a trivalent impurity?

What type of extrinsic semi- conductor is formed when doped with pentavalent impurity?

How does the forbidden energy gap of an intrinsic semiconductor vary with the increase in temperature