PYQ NEET- Semiconductor; Devices And Simple Circuits L-3
Question: As the temperature increases, the electrical resistance
A) Increases for both conductors and semiconductors
B) Decreases for both conductors and semiconductors
C) Increases for conductors but decreases for semiconductors
D) Decreases for conductors but increases for semiconductors
Answer: Increases for conductors but decreases for semiconductors
Sol:
As the temperature increases the resistivity of the conductor increases hence the electrical resistance increases. However for semiconductor the resistivity decreases with the temperature. Hence electrical resistance of semiconductor decreases.
BETA
