Semiconductor and Diode Quiz
Authored by Yogananda EEE)
Engineering
University
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
P-type semiconductors are formed by adding:
Trivalent impurities
Pentavalent impurities
Monovalent impurities
Divalent impurities
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a pentavalent dopant?
Gallium
Boron
Indium
Phosphorus
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The SCR conducts when:
Anode is negative
No voltage is applied
Gate is triggered
Cathode is positive
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reverse biasing a P-N junction results in:
High current
Breakdown
Very small current
Oscillation
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Forward biasing reduces the:
Depletion region
Current
Voltage
Resistance
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In reverse bias, the depletion layer:
Decreases
Remains same
Increases
Disappears
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The diode current equation is:
I = Io(e^V/ηVT - 1)
I = V/R
I = P/V
I = VR
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