Site MapHelpFeedbackMultiple Choice Quiz
Multiple Choice Quiz
(See related pages)

1.
The addition of some thermally generated electrons in a P-type crystal adds to the number of:
A)majority carriers
B)valence electrons
C)atomic nuclei
D)minority carriers
2.
To make P-type semiconductors:
A)electrons are injected into the material using an ion beam
B)holes are injected into the material using an ion implantation chamber
C)a pure material is doped with a donor impurity
D)a pure material is doped with an acceptor impurity
3.
Semiconductor hole current is:
A)opposite in direction to electron current
B)found only in N-type semiconductors
C)exactly the same as electron current
D)not possible
4.
The net charge of any atomic nucleus is always:
A)neutral
B)positive
C)negative
D)0
5.
Conductors are characterized by:
A)crystalline structures
B)a negative temperature coefficient
C)large numbers of weakly attracted valence electrons
D)all of the above
6.
The addition of some thermally generated holes in a P-type crystal adds to the number of:
A)majority carriers
B)valence electrons
C)atomic nuclei
D)minority carriers
7.
The most widely used semiconductor material is:
A)indium phosphide
B)gallium arsenide
C)silicon
D)germanium
8.
When a pure semiconductor material is doped with a trivalent impurity:
A)it becomes mechanically unstable
B)its melting point changes dramatically
C)its resistance goes up
D)its resistance drops
9.
Semiconductors are characterized by:
A)covalent bonding between valence electrons
B)a negative temperature coefficient
C)crystalline structures
D)all of the above
10.
In semiconductors, thermal carriers always appear as:
A)none of the above
B)hole - electron pairs
C)electrons only
D)holes only





To learn more about the book this website supports, please visit its Information Center.
(c)2008 McGraw-Hill Higher Education
Any use is subject to the Terms of Use and Privacy Policy.
McGraw-Hill Higher Education is one of the many fine businesses of The McGraw-Hill Companies.


ElectronicsOnline Learning Center

Home > Chapter 2 > Multiple Choice Quiz