The density of an electron-hole pair in a pure germanium is 
at room temperature. On doping with aluminium, the hole density increases to 
. Now the electron density (in 
) in doped germanium will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
In pure germanium,
In doped germanium, 
Thus, the electron density in doped germanium will be 
.
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