state gov UP Police Assistant Operator (Radio Cadre) Mock Test Electronic Devices Carriers in Semiconductors
The drift velocity of electrons, in silicon _____.
1
Is proportional to the electric field for all values of electric field
2
Is independent of the electric field
3
Increases at low values of electric field and decreases at high values of electric field exhibiting negative differential resistance.
4
Increases linearly with electric field at low values of electric field and gradually saturates at higher values of electric field