SEMICONDUCTORS
Authored by LEMUEL JOSHUA TORIBIO
Engineering
Professional Development
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Effectively, how many valence electrons are there in each atom within a silicon crystal?
1
2
4
8
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The boundary between p-type material and n-type material is called
A diode
A reverse-biased diode
Pn junction
A forward-biased diode
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When the reverse voltage increases from 5 to 10 V, the depletion later
Becomes smaller
Becomes larger
Is unaffected
Breaks down
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of a device is a diode?
Bilateral
Linear
Nonlinear
Unipolar
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ideal diode is usually adequate when
Troubleshooting
Doing precise calculations
The source voltage is low
The load resistance is low
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The dc current through each diode in a bridge rectifier equals:
the load current
half the dc load current
twice the dc load current
one-fourth the dc load current
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When matching polarity connections have been made and the potential difference (PD) is above 0.7 V, the diode is considered to be:
not working
forward biased
reverse biased
an open switch
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