When impurities are added to semi-conductors th... - JAMB Physics 2005 Question
When impurities are added to semi-conductors, the conductivity of the semi-conductor
A
increases then decreases
B
increases
C
decreases
D
remains constant
correct option: b
When impurities are added to semi conductor , the semi conductor is said to be doped, and increases the conductivity of the semi-conductor.
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