Pure Si at 500 
has equal number of electron 
and hole 
concentrations of 
Doping by indium increases 
to 
The doped semiconductor is of [2011]
A
‐type with electron concentration 
B
‐type with electron concentration 
C
‐type with electron concentration 
D
‐type having electron concentration 
Text Solution
Verified by ExpertsThe correct answer is:
D
p-type semiconductor is obtained when Si or Ge is doped with a trivalent impurity like aluminium (Al), boron . indium (In) etc,
Here, 
,
As 
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