Solid State Question 123
Question: To get a n- type semiconductor, the impurity to be added to silicon should have which of the following number of valence electrons
[KCET (Engg.) 2001]
Options:
A) 1
B) 2
C) 3
D) 5
Show Answer
Answer:
Correct Answer: D
Solution:
For n-type, impurity added to silicon should have more than 4 valence electrons.