Resistance of which of the following solids decreases on increasing temperature? (Consider no change in dimensions)
A
Metals
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
Semiconductors only
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
Insulators only
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
Insulator and semiconductors
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is D Insulator and semiconductors For metals, temperature coefficient of resistance is positive while in insulators and semiconductors temperature coefficient of resistance is negative.
Therefore resistance of insulators and semiconductors decreases on increasing the temperature.