Pure Si, at 300 K has equal number of electron ( 
) and hole 
concentrations to 
. Doping by aluminum increases 
to 
. The doped semi conductor is of
A
P-type electron concentration 
B
-type with electron concentration 
C
P-type with electron concentration 
D
-type with electron concentration 
Text Solution
Verified by ExpertsThe correct answer is:
C
By law of mass action, we have
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