Free Printable C1- Review 1

1.

Electric charge of neutron is the same as

a)

Proton

b)

Electron

c)

Current

d)

Atom

2.

Ampere refers to _______

a)

Quantity

b)

rate of flow of electrons

c)

coulomb

d)

6.25x10^18 electrons

3.

Group of magnetically aligned atoms

a)

Lattice

b)

Crystal

c)

Domain

d)

Range

4.

Calculate the equivalent power in watt of a 100 joules per second

a)

1.66 watts

b)

16.66 watts

c)

1000 watts

d)

100 watts

5.

The electric flux density is a ________ quantity

a)

Phasor

b)

Vector

c)

Scalar

d)

Variable

6.

A test charge means a charge of ______

a)

-1 C

b)

1 electron

c)

+1 C

d)

-20 C

7.

A good conductor has how many valence electrons?

a)

1

b)

4

c)

2

d)

8

8.

One electron volt (1eV) is equivalent to ______ joules

a)

$1.3x10^{-19}$

b)

$1.4x10^{-19}$

c)

$1.5x10^{-19}$

d)

$1.6x10^{-19}$

9.

The total number of magnetic lines of force in a magnetic field is called ______

a)

magnetic flux

b)

magnetic flux density

c)

magnetic flux intensity

d)

magnetic potential

10.

Electric current in a wire is the flow of ______ electrons

a)

Free

b)

Valence

c)

Bound

d)

Loose

11.

Electric potential is a ______ quantity

a)

scalar

b)

phasor

c)

vector

d)

variable

12.

What is the practical unit of electric energy?

a)

Watt

b)

Kilowatt-hour

c)

Kilowatt-second

d)

Megawatt-hour

13.

One coulomb of charge consists of ________ electrons

a)

$624x10^{16}$

b)

$62.4x10^{16}$

c)

$6.24x10^{16}$

d)

$0.624x10^{16}$

14.

If the number of valence electrons of an atom is less than 4, then the substance is probably ______.

a)

A metal

b)

an insulator

c)

a non-metal

d)

a semiconductor

15.

The electrons in the last orbit of an atom are called _____ electrons.

a)

Free

b)

Valence

c)

Bound

d)

Thermionic

16.

______ is a substance whose molecules consist of the same kind of atom.

a)

Mixture

b)

Compound

c)

Element

d)

Isotope

17.

The maximum number of electrons that can be accommodated in the last orbit of an atom?

a)

4

b)

2

c)

8

d)

18

18.

Who discovered the relationship between magnetism and electricity that serves as the foundation for the theory of electromagnetism?

a)

Luigi Galvani

b)

Hans Christian Oersted

c)

Andre Ampere

d)

Charles Coulomb

19.

An electron-volt (eV) is a unit of ______.

a)

Energy

b)

Potential Difference

c)

Charge

d)

Momentum

20.

Electron is a Greek word for _______.

a)

Amber

b)

Fire

c)

Stone

d)

Heat

21.

Gases whose particles are charged are known as _______.

a)

Conductors

b)

Insulators

c)

Gaseous Conductors

d)

Plasma

C1- Review 1

Total questions: 21

Worksheet time: 42mins

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