WorksheetsDiodes and Diode Applications
Total questions: 15
Worksheet time: 7mins
All semiconductors have six valence electrons
TRUE
FALSE
It is a material that is neither a good conductor nor a good insulator
(a)
A (a) atom is one that has three valence electrons
The best conductors have only one valence electron
TRUE
FALSE
The sharing of valence electrons is called
(a)
It is the process that involves adding impurity atoms to an intrinsic semiconductor.
(a)
A (a) atom is one that has five valence electrons
What do you mean by LED?
(a)
Which of the following is not a semiconductor
Germanium
Arsenic
Silicon
Carbon
Which of the following is a pentavalent atom?
Germanium
Aluminum
Antimony
Carbon
How many electrons are in the second shell of a silicon atom?
4
6
3
8
The outermost shell of an atom is called
valence tail
valence ring
valence fence
valence crown
They are semiconductors in the purest form
extrinsic semiconductors
intrinsic semiconductors
extinct semiconductors
instinct semiconductors
Which of the following is a trivalent atom
Boron
Silicon
Phosphorus
Germanium
How many electrons are in the first shell of a silicon atom?
6
2
5
7
