Electronic Devices Circuits Donor Acceptor Impurities Online Exam Quiz
Electronic Devices Circuits Donor Acceptor Impurities GK Quiz. Question and Answers related to Electronic Devices Circuits Donor Acceptor Impurities. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Donor Acceptor Impurities
The opposite of ionization takes place at which temperature?
Options
A : 0 K
B : ROOM
C : 300 K
D : 900K
At what temperature the donor states are completely ionized?
Options
A : 0 K
B : ROOM
C : 300K
D : 900K
At T=0 K, the location of Fermi level with respect to the Ec and Ed for the n type material is?
Options
A : Above than conduction band
B : Midway
C : Lower than Ed
D : Greater than Ed
What do you mean by the tem ‘FREEZE-OUT’?
Options
A : All the electrons are frozen at room temperature
B : None of the electrons are thermally elevated to the conduction band
C : All the electrons are in the conduction band
D : All the holes are in the valence band
Which of the following band is just above the intrinsic Fermi level for n-type semiconductor?
Options
A : Donor band
B : Valence band
C : Acceptor band
D : Conduction band
At absolute zero temperature, which level is above the Fermi energy level in the case of donors?
Options
A : Donor energy level
B : Acceptor energy level
C : Conduction Band
D : Valence Band
At absolute zero temperature, which level is below the Fermi energy level in the case of acceptors?
Options
A : Donor energy level
B : Valence Band
C : Conduction band
D : Acceptor energy level
Which of the following expressions represent the correct formula for the density of electrons occupying the donor level?
Options
A : nd=Nd-Nd+
B : nd=Nd-Nd–
C : nd=Nd+Nd+
D : nd=Nd+Nd–
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