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The major difference between a pure semiconductor and a pure metal is that

Physics
JAMB 2003
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
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Correct Answer: Option C
Explanation
Experiment shows that increase in temperature increases the resistance of a pure metal but decreases the resistance of pure semiconductor
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