liyana
Authored by Liyana Fathima
Physics
12th Grade
Used 1+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which statement best describes an extrinsic semiconductor?
A) It contains only one type of carrier (electrons or holes).
B) It is formed by adding impurities to an intrinsic semiconductor.
C) It has no free carriers at absolute zero.
D) It does not conduct electricity.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In an extrinsic semiconductor, doping is done to:
Decrease conductivity
Decrease energy band gap
increase conductivity
none of the above
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
impurities are also known as
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
in an intrinsic semiconductor, the number of electrons is equal to the number of:
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An intrinsic semiconductor, at the absolute zero temperature, behaves like which one of the following?
insulator
Superconductor
n-type semiconductor
p-type semiconductor
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Which type of semiconductor is produced by adding impurities to an intrinsic semiconductor?
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