Questions
The width of forbidden gap in Silicon crystal is 1.1 eV. When the crystal is converted into p-type semiconductor, the distance of fermi level from conduction band is
detailed solution
Correct option is A
For pure or intrinsic semiconductor Fermi level lies exactly in the middle of forbidden gap. But for a p-type semiconductor as the no. of holes increases Fermi level shifts towards valence band. So distance of the Fermi level from the conduction band increases. So it is more than half i.e. more than 0.55 eVTalk to our academic expert!
Similar Questions
A silicon specimen is made into a P-type semi-conductor by doping, on an average, one indium atom per silicon atoms. If the number density of atoms in the silicon specimen is atoms then the number of acceptor atoms in silicon per cubic centimetre will be
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