When impurities are added to semi-conductors, the conductivity of the semi-conductor
A
increases then decreases
B
increases
C
decreases
D
remains constant
Verified Correct Answer: B.
Physical Principles & Numerical Solution
When impurities are added to semi conductor , the semi conductor is said to be doped, and increases the conductivity of the semi-conductor.
Source: Myschool Past Questions Archive (Record #13706)