Q. As the temperature increases, the electrical resistance :
A) decrease for conductors but increases for semiconductors
B) increases for both conductors and semiconductors
C) decreases for both conductors and semiconductors
D) increases for conductors but decreases for semiconductors
Explanation
[Solution] Conductors have a positive temperature coefficient of resistance; semiconductors have a negative one. Answer (4).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.