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WorksheetsM4 : QUIZ NO. 1 - SEMICONDUCTOR
Total questions: 20
Worksheet time: 10mins
Common elements such as carbon, silicon, and germanium are:
Conductor
Semiconductor
Insulator
None of the above
Have high resistance which suppresses electrical current flow.
CONDUCTOR
INSULATOR
SEMICONDUCTOR
ALL OF THE ABOVE
Can allow or suppress electrical current flow.
CONDUCTOR
INSULATOR
SEMICONDUCTOR
ALL OF THE ABOVE
Best element conductors include the following EXCEPT:
Copper
Silver
Gold
Mica
The main characteristic of a semiconductor element is that it has:
1 electron
2 electron
3 electron
4 electron
The resistivity of a silicon is:
640
0.46
2.2
1.59 x 10e-8
The atoms link together with one another sharing their outer electrons.
These links are called:
Impurities
Valence
Covalent Bond
Crystal Lattice
The process of adding impurities to other atom is called:
Doping
Covalent bond
Valence electron
Intrinsic
The unique capability of semiconductor atoms is their ability to link together to form a physical structure called a/an:
Impurities
Valence
Covalent Bond
Crystal Lattice
Good insulating semiconductor material is referred to as:
Intrinsic
Extrinsic
Impurity
Doping
P-type semiconductor material has a shortage of electrons with vacancies called:
Atom
Hole
Electron
Impurity
To make the semiconductor conduct electricity, other atoms must be added. This is called:
Intrinsic
Extrinsic
Impurity
Doping
The following is Pentavalent impurities Except:
Aluminum
Arsenic
Antimony
Phosphorous
An impurity, or element like arsenic, has:
2 valence electron
3 valence electron
4 valence electron
5 valence electrons
If you use only a few boron atoms, there will be fewer free electrons so the resistance will be:
high and less current will flow.
low and current will flow freely
high and more current will flow.
All of the above
The silicon doped with extra electrons is called:
Hole
Dopping
P type semiconductor
N type semiconductor
Which of the following is correct in P-type semiconductor?
Majority carrier is electrons
Majority carrier is a Hole
Minority carrier is a Hole
Excess Electron
Current (electrons) flows from the negative terminal to the positive terminal.
N- type
P- type
Hole
Electron
It is the best and most widely used semiconductor.
Silicon
Carbon
Germanium
Gold
Which of the following is Trivalent impurities?
Boron
Aluminum
Gallium
All of the above
