Consider the following statements:
The intrinsic carrier concentration of a semiconductor
1. Depends on doping
2. Increase exponentially with a decrease of the bandgap of the semi-conductor.
3. Increase non-linearly with an increase of temperature
4. Increases linearly with increase of temperature
Which of the above statements are correct?
1
1, 2 and 3
2
1 and 2 only
3
2 and 3 only
4
2 and 4 only