Extrinsic semiconductors - Fermi level 

It was a great help in getting the whole picture

Assalaa mu alaikum Sir.... Thanku so much for being there to help us... I really feel satiated with your lactures... may God bless you ...thank you again..

Iam satisfied to listen u r lecture sir ,,,,,,,,,,tqqq sir

Same derivation we want for p type semiconductor

lectures are brilliant, but not ordered ...

I have an question. any one there to help me?