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Question: Answered & Verified by Expert
The temperature dependence of resistance of Cu and undoped Si in the temperature range 300-400 K is best described by
PhysicsSemiconductorsNEET
Options:
  • A linear increase for Cu, exponential decrease for Si
  • B linear decrease for Cu, linear decrease for Si
  • C linear increase for Cu, linear increase for Si
  • D linear increase for Cu, exponential increase for Si
Solution:
1817 Upvotes Verified Answer
The correct answer is: linear increase for Cu, exponential decrease for Si
Resistance variation with temperature: resistance of a metal increases with increase in temperature linearly and resistance of a semiconductor decreases exponentially with increase in temperature.


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