A semiconductor has generally ……………… valence electrons.
PIS - Unit 2 - Semiconductor Physics - Quiz 1

Quiz
•
Physics, Chemistry
•
University
•
Medium
INDUMATHI B
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15 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
2
3
6
4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The forbiddenn energy gap for Germanium is of the order of
(a) 0.7 eV
(b) 0.3 eV
(c) 1.1 eV
(d) 10 eV
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Doping of Semiconductors
materials which can conduct electricity better than insulator, but not as well as conductors.
The process of adding of a certain amount of specific impurities atoms in the pure semiconductor.
when 4 electrons in outermost orbit.
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
The process of adding an impurity to an intrinsic semiconductor is called
Doping
Ionization
Recombination
Atomic modification
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which among these is NOT a semiconductor
Germanium
Silicon
Gallium Arsenide
Titanium
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Electrons and holes are equal in magnitude but opposite in polarity
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An n type semiconductor is negatively charged
True
False
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