Free Printable Electric and Magnetic Fields

1.

An electron has a _______ charge-type.

a)

Negative

b)

Positve

c)

Neutral

2.

A proton has a _______ charge-type.

a)

Negative

b)

Positve

c)

Neutral

3.

A neutron has a _______ charge-type.

a)

Negative

b)

Positve

c)

Neutral

4.

The charge of an electron is:

a)

$1.6\times10^{-19}\ C$

b)

$-1.6\times10^{-19}\ C$

c)

$1.6\times10^{19}\ C$

d)

$-1.6\times10^{19}\ C$

5.

The charge of a proton is:

a)

$1.6\times10^{-19}\ C$

b)

$-1.6\times10^{-19}\ C$

c)

$1.6\times10^{19}\ C$

d)

$-1.6\times10^{19\ }C$

6.

The mass of an electron is:

a)

$9.11\times10^{-31}kg$

b)

$9.11\times10^{-27}kg$

c)

$1.67\times10^{-31}kg$

d)

$1.67\times10^{-27}kg$

7.

The mass of an proton is:

a)

$9.11\times10^{-31}kg$

b)

$9.11\times10^{-27}kg$

c)

$1.67\times10^{-19}kg$

d)

$1.67\times10^{-27}kg$

8.

What type of electric charge is charge C?

a)

Positive

b)

Negative

9.

What type of electric charge is charge D?

a)

Positive

b)

Negative

10.

What is the effect of two negatively charged objects coming near each other.

a)

The objects repel each other.

b)

The objects attract each other.

c)

The objects neither attract nor repel.

11.

What is the effect of two positively charged objects coming near each other.

a)

The objects repel each other.

b)

The objects attract each other.

c)

The objects neither attract nor repel.

12.

An atom with more electrons than it has protons is called an:

a)

cation

b)

coulomb

c)

anion

13.

An atom with fewer electrons than it has protons is called an:

a)

cation

b)

coulomb

c)

anion

14.

Which type of charges do these balloons have?

a)

like charges

b)

opposite charges

15.

What type of charge do these balloons have?

a)

like charges

b)

opposite charges

16.

Which 2 variables affect the strength of electric force between 2 charged objects?

a)

distance between the objects and the total amount of charge

b)

distance and speed

c)

the total amount of charge and speed

d)

mass and speed

17.

Walking across a carpet is an example of charge being transferred by

a)

friction.

b)

induction.

c)

contact.

d)

static electricity

18.

The closer the charges, the ___________ the force between them

a)

closer

b)

further

c)

stronger

d)

weaker

19.

A cloth has a positive charge and can attract some paper scraps when held near them, what kind of charge can the paper scraps NOT have?

a)

Positive

b)

Negative

c)

Neutral

20.

Which of these is the electron?

a)

A

b)

B

c)

C

21.

Plastic is an example of _______.

a)

an insulator

b)

a conductor

22.

A metal spoon is an example of _____.

a)

a conductor

b)

an insulator

23.

A neutral object

a)

Is always repelled by charged objects.

b)

Is always attracted to charged objects.

c)

Is neither attracted nor repelled by charged objects.

24.

The area of magnetic force around a magnet is known as its _____________.

a)

Magnetic Field

b)

Magnetic Fan Lines

c)

Magnetic Area

d)

Magnetic Location

25.

What will the magnets in the picture do?

a)

Attract

b)

Repel

c)

Neither attract nor repel

d)

Both attract and repel

26.

What will the magnets in the picture do?

a)

Attract each other

b)

Repel each other

c)

Both attract and repel

d)

Neither attract nor repel

27.

The Earth's magnetic field is most useful for _____.

a)

deflecting solar wind

b)

keeping track of time

c)

creating sunny weather

d)

making it look cool in front of the other planets

28.

Are the magnets in this picture attracting or repelling?

a)

Attracting

b)

Repelling

29.

The _____ is Earth's magnetic field that protects us from the sun's harmful radiation and solar wind.

a)

Magnetosphere

b)

Biosphere

c)

Hydrosphere

d)

Heliosphere

30.

A type of magnet that has temporary magnetic effect when electric current flows through it.

This refer to

a)

Electric

b)

Electronic

c)

Electrostatic

d)

Electromagnet

31.

Magnetic field near to the wire is stronger.

a)

True

b)

False

32.

Direction of current in the wire is

a)

Upwards

b)

Downwards

33.

Thumb shows the direction of

a)

Magnetic field

b)

Current

34.

When number of turns in solenoid increase, electromagnetic strength ...

a)

Increase

b)

Decrease

35.

When more current flows in solenoid, strength of magnetic field ...

a)

Decrease

b)

Increase

Electric and Magnetic Fields

Total questions: 35

Worksheet time: 50mins

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