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M4 : QUIZ NO. 1 - SEMICONDUCTOR

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

Common elements such as carbon, silicon, and germanium are:

a)

Conductor

b)

Semiconductor

c)

Insulator

d)

None of the above

2.

Have high resistance which suppresses electrical current flow.

a)

CONDUCTOR

b)

INSULATOR

c)

SEMICONDUCTOR

d)

ALL OF THE ABOVE

3.

Can allow or suppress electrical current flow.

a)

CONDUCTOR

b)

INSULATOR

c)

SEMICONDUCTOR

d)

ALL OF THE ABOVE

4.

Best element conductors include the following EXCEPT:

a)

Copper

b)

Silver

c)

Gold

d)

Mica

5.

The main characteristic of a semiconductor element is that it has:

a)

1 electron

b)

2 electron

c)

3 electron

d)

4 electron

6.

The resistivity of a silicon is:

a)

640

b)

0.46

c)

2.2

d)

1.59 x 10e-8

7.

The atoms link together with one another sharing their outer electrons. 

These links are called:

a)

Impurities

b)

Valence

c)

Covalent Bond

d)

Crystal Lattice

8.

The process of adding impurities to other atom is called:

a)

Doping

b)

Covalent bond

c)

Valence electron

d)

Intrinsic

9.

The unique capability of semiconductor atoms is their ability to link together to form a physical structure called a/an:

a)

Impurities

b)

Valence

c)

Covalent Bond

d)

Crystal Lattice

10.

Good insulating semiconductor material is referred to as:

a)

Intrinsic

b)

Extrinsic

c)

Impurity

d)

Doping

11.

P-type semiconductor material has a shortage of electrons with vacancies called:

a)

Atom

b)

Hole

c)

Electron

d)

Impurity

12.

To make the semiconductor conduct electricity, other atoms must be added. This is called:

a)

Intrinsic

b)

Extrinsic

c)

Impurity

d)

Doping

13.

The following is Pentavalent impurities Except:

a)

Aluminum

b)

Arsenic

c)

Antimony

d)

Phosphorous

14.

An impurity, or element like arsenic, has:

a)

2 valence electron

b)

3 valence electron

c)

4 valence electron

d)

5 valence electrons

15.

If you use only a few boron atoms, there will be fewer free electrons so the resistance will be:

a)

high and less current will flow.

b)

low and current will flow freely

c)

high and more current will flow.

d)

All of the above

16.

The silicon doped with extra electrons is called:

a)

Hole

b)

Dopping

c)

P type semiconductor

d)

N type semiconductor

17.

Which of the following is correct in P-type semiconductor?

a)

Majority carrier is electrons

b)

Majority carrier is a Hole

c)

Minority carrier is a Hole

d)

Excess Electron

18.

Current (electrons) flows from the negative terminal to the positive terminal.

a)

N- type

b)

P- type

c)

Hole

d)

Electron

19.

It is the best and most widely used semiconductor.

a)

Silicon

b)

Carbon

c)

Germanium

d)

Gold

20.

Which of the following is Trivalent impurities?

a)

Boron

b)

Aluminum

c)

Gallium

d)

All of the above