Electronic Devices Circuits Online Test Online Exam Quiz
Electronic Devices Circuits Online Test GK Quiz. Question and Answers related to Electronic Devices Circuits Online Test. MCQ (Multiple Choice Questions with answers about Electronic Devices Circuits Online Test
What is the thickness of ‘space charge region’ or ‘transition region’ in P-N junction diode?
Options
A : 1 micron
B : 5 micron
C : 10 micron
D : 2.876 micron
If the drift current is 100mA and diffusion current is 1A what is the total current in the semiconductor diode.
Options
A : 1.01 A
B : 1.1 A
C : 900m A
D : 10 A
The drift velocity is 5V and the applied electric field intensity 20v/m what will be the mobility of charge carriers.
Options
A : 100 m2/ (vs)
B : 4 m2/ (vs)
C : 15 m2/ (vs)
D : 0.25 m2/ (vs)
When there is an open circuit what will be the net hole current.
Options
A : 5A
B : 0.05A
C : 0.5A
D : 0A
Which of the following is reverse biased?
Options
A : A)
B : B)
C : C)
D : D)
Rate of change of concentration per unit length in a semiconductor is called as.
Options
A : Concentration change
B : Concentration mixture
C : Concentration gradient
D : Concentration variant
The tendency of charge carriers to move from a region of heavily concentrated charges to region of less concentrated charge is known as.
Options
A : Depletion current
B : Drain current
C : Diffusion current
D : Saturation current
The product of mobility of the charge carriers and applied Electric field intensity is known as
Options
A : Drain velocity
B : Drift velocity
C : Push velocity
D : Pull velocity
If what of the following is doped into a semiconductor say germanium a P-N junction is formed.
Options
A : Electrons and Protons
B : Protons and Neutrons
C : Neutrons and Electrons
D : Gallium and Phosphorus
Which of the factors doesn’t change the diode current.
Options
A : Temperature
B : External voltage applied to the diode
C : Boltzmann‘s constant
D : Resistance
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