List of top Electronics and Communication Engineering Questions on Semiconductors asked in AP PGECET

At very high electric fields in silicon, the drift velocity of electrons becomes independent of the electric field. This phenomenon is known as:
Which of the following best describes the band structure of intrinsic silicon?
_____ is used for the removal of SiO2 from desired regions such that the desired impurities can be diffused.
Match items in Group-I with items in Group-II, most suitably.
Spontaneous emission
If \( E_p \) (Fermi energy level) \(>E_f \) (intrinsic Fermi energy level), then the type of semiconductor is