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Question: Answered & Verified by Expert
The solids which have the negative temperature coefficient of resistance are:
PhysicsSemiconductorsNEETNEET 2020 (Phase 1)
Options:
  • A insulators only
  • B semiconductors only
  • C insulators and semiconductors
  • D metals
Solution:
2713 Upvotes Verified Answer
The correct answer is: insulators and semiconductors
The solids which have the negative temperature coefficient of resistance means the resistance of these solid will decrease when temperature increases due to more no of free electron at higher temperature. It happens in both insulators and semiconductors.

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