The major difference between a pure semiconduct... - JAMB Physics 2003 Question
The major difference between a pure semiconductor and a pure metal is that
A
metals are harder than semiconductor
B
while resistance of metals decrease with temperature , the reverse is the case for semiconductor
C
the resistance of metals increases with temperature, while for semiconductors, it is the reverse
D
metals have forbidden gaps while semiconductors have not
correct option: c
Experiment shows that increase in temperature increases the resistance of a pure metal but decreases the resistance of pure semiconductor
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