railway RRB JE (CBT I + CBT II) Mock Test 2024 Electrician and Wireman Electronic Devices and Circuits Conductors and Insulators
Electrical conductivity of a semiconductor:
1
Decreases with the rise in its temperature
2
Increases with the rise in its temperature
3
Does not change with the rise in its temperature
4
First increases and then decreases with the rise in its temperature