A semiconductorhas equal electron and hole concentration of 
. On doping with a certain impurity, the electron concentration increases to 
, then the new hole concentration of the semiconductor is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Concentration of electron, 
Concentration of hole, 
After doping with a impurity, the new electron concentration, 
New hole concentration, 
?
We know that, 
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