
SEMICONDUCTOR PART-1
Quiz
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Science
•
University
•
Medium
Vijeesh Padmanabhan
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23 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which is the symbol of a PN junction diode?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Main phenomenons associated with formation of p-n junctions are
Drift only
Diffusion only
Diffusion and Drift
only doping
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The region on either side of the junction which becomes free from the mobile charge carriers is called
Energy gap region
Charge free region
Diffusion region
Depletion region
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The main constructional difference between Half wave and Full wave rectifier
Number of parts used in 1st type is Half of parts used in 2nd type
Some kind of half wave is used in 1st type
use of Centre tapping in case of 1st type and not in 2nd type
use of Centre tapping in case of 2nd type and not in 1st type
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Examples for N-type material
Arsenic
Aluminium
Antimony
Bismuth
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In PN junction forward biasing width of the depletion region
Increases
Decreases
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The phenomenon used in LED is called
Electro illuminance
Electrolence
Electro Luminance
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