A Ge specimen is doped with Al. The concentration of acceptor atoms is 
. Given that the intrinsic concentration of electron‐hole pairs is 
, the concentration of electrons in the specimen is [2004]
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
From law of mass‐action
where 
is concentration of electron − − hole pair and 
is concentration of acceptor or holes.
Given, 
per 
per 
per 
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