Electronic Devices Question 76
Question: If $ n _{e} $ and $ n _{h} $ are the number of electrons and holes in a semiconductor heavily doped with phosphorus, then
[MP PMT 2000]
Options:
A) $ n _{e}»n _{h} $
B) $ n _{e}«n _{h} $
C) $ n _{e}\le n _{h} $
D) $ n _{e}=n _{h} $
Show Answer
Answer:
Correct Answer: A
Solution:
Phosphorus is a pentavalent impurity so ne > nh.
