Quiz about Electricity and Magnetism Review

Question 1

What happens when two north poles of a magnet are placed together?

Accepted Answer

they repel

Answer

they attract

Answer

they cancel each other out

Answer

the strength of the magnet is doubled

Question 2

What will happen when these magnets are brought close together?

Accepted Answer

They will repel each other.

Answer

They will attract each other.

Answer

Both magnets will turn to the left

Answer

Both magnets will turn to the right

Question 3

True or False: All metals stick to magnets.

Accepted Answer

False

Answer

True

Question 4

Where is the force of attraction the strongest on a magnet?

Accepted Answer

at the poles

Answer

in the middle

Answer

above the magnet

Answer

below the magnet

Question 5

A magnet will attract scissors if the scissors contain:

Accepted Answer

nickel

Answer

copper

Answer

aluminum

Answer

gold

Question 6

A device that uses a free-moving magnetic needle to show direction is a:

Accepted Answer

compass

Answer

Ruler

Answer

magnet

Answer

magnetic field

Question 7

Which of the following factors influences the strength of the electromagnet?

Accepted Answer

Number of turns of coil

Answer

Shape of the coil

Answer

Types of current

Answer

Colour of the core

Question 8

The direction of magnetic field produced by a current flowing through a straight conductor can be determined by

Accepted Answer

Right-hand grip rule

Answer

Left-hand grip rule

Answer

Faraday's law

Answer

Lenz's law

Question 9

How do you make an electromagnet stronger?

Accepted Answer

add more wire coils and/or batteries

Answer

Add a motor and/or lightbulbs

Answer

Add more light bulbs and/or wire coils

Answer

add more wire coils and/or a switch

Question 10

How are electromagnets different from magnets?

Accepted Answer

you can turn an electromagnet on/off

Answer

magnets can be turned on/off

Answer

magnets are more powerful

Answer

magnets have a North and South pole

Question 11

What is a switch's function in a circuit?

Accepted Answer

turn on and off the flow of current

Answer

to make the current hotter or colder

Answer

the pathway that current flows

Answer

to add more power to the circuit

Question 12

What is true about electricity and magnetic fields?

Accepted Answer

Electricity always creates a magnetic field.

Answer

Electricity is needed to create any magnet.

Answer

Electricity is stronger than a magnetic field.

Answer

Electricity prevents magnetic fields from occurring.

Question 13

This kind of electricity is formed by the buildup of positive or negative charges on a surface.

Accepted Answer

static electricity

Answer

magnetism

Answer

current electricity

Answer

conductors

Question 14

Looking at the field lines in this picture, these two magnets are ________

Accepted Answer

Attracting

Answer

Repelling

Answer

Attracting and Repelling

Answer

Doing nothing

Question 15

Looking at the field lines in the picture above, the magnets, which orientation is possible?

Accepted Answer

South - South

Answer

North - South

Answer

South - North

Question 16

Which diagram represents magnetic field lines between two north magnetic poles?

Accepted Answer

Option D is correct

Answer

A.

Answer

B.

Answer

C.

Question 17

The entire region surrounding a magnet is known as the:

Accepted Answer

Magnetic Field

Answer

Magnetic Domain

Answer

Lodestone

Answer

A Compass

Question 18

Earth's magnetic field and a bar magnet attract particles to the same locations. Where are they?

Accepted Answer

The north and south poles

Answer

The middle

Answer

All around the outside

Answer

First to the middle, then to the ends

Question 19

This image is showing

Accepted Answer

attraction

Answer

repulsion

Question 20

Magnets that are arranged like this will _______.

Accepted Answer

move towards each other (attract)

Answer

move away from each other (repel)

Question 21

These magnets will _______.

Accepted Answer

move away from each other (repel)

Answer

move toward each other (attract)

Question 22

What types of charges attract?

Accepted Answer

Positive and Negative

Answer

Positive and Positive

Answer

Positive and Neutral

Answer

Negative and Neutral

Question 23

The accumulation of excess electric charge on an object is called

Accepted Answer

Static electricity

Answer

Electric discharge

Answer

Resistance

Answer

Circuit

Question 24

Electric charges that are alike _______ each other.

Accepted Answer

Repel

Answer

Attract

Question 25

Electric charges that are different _______ each other.

Accepted Answer

Attract

Answer

Repel

Question 26

What charge does an electron have?

Accepted Answer

negative (-)

Answer

positive (+)

Answer

neutral or no charge (0)

Question 27

If a substance has a higher number of electrons than protons on its surface, what type of charge does it have?

Accepted Answer

A negative charge.

Answer

A positive charge.

Answer

A neutral charge

Answer

No charge at all

Question 28

Which of the following is caused by static electricity?

Accepted Answer

a lightning strike during a storm

Answer

a stove getting hot when it is turned on

Answer

a magnet being attracted to a refrigerator

Answer

a light bulb coming on when a switch is turned on

Question 29

Why does a Van de Graaff generator make your hair stand up if you touch the dome?

Accepted Answer

The electrons gather on the hair ends and repel each other.

Answer

The current is trying to flow out of the hair ends.

Answer

The hair is repelled by the dome of the Van de Graaff generator.

Answer

The hair is attracted to the surrounding air.

Question 30

This is an example of a _______ circuit

Accepted Answer

series

Answer

open

Answer

parallel

Answer

square

Question 31

This is an example of a ______ circuit

Accepted Answer

Parallel

Answer

Series

Answer

Open

Answer

Dihexihedral

Question 32

The picture shows an electrical circuit. This circuit is a series circuit because:

Accepted Answer

The same current flows through all three light bulbs.

Answer

It has 3 light bulbs.

Answer

It uses a single battery.

Answer

The electrical current is divided between the three light bulbs.

Question 33

This circuit has more than one loop. When one light goes out, the others stay on.

Accepted Answer

parallel circuit

Answer

closed circuit

Answer

series circuit

Answer

open circuit

Question 34

Question 34.

Accepted Answer

Series circuit - Bulbs are off

Answer

Series circuit - Bulbs are lit

Answer

Parallel circuit - Bulbs are lit

Answer

Parallel circuit - Bulbs are off

Question 35

Question 35.

Accepted Answer

Bulbs are in parallel - Circuit Y is brighter than Circuit X

Answer

Bulbs are in parallel - Circuit X is brighter than Circuit Y

Answer

Bulbs are in series - Circuit X is brighter than Circuit Y

Answer

Bulbs are in series - Circuit Y is brighter than Circuit X

Question 36

Which best describes a parallel circuit?

Accepted Answer

Electricity flows along more than one pathway.

Answer

Electricity flows along one pathway.

Answer

The flow of electricity comes from one source.

Answer

The flow of electricity comes from more than one source.

Question 37

Which best describes a series circuit?

Accepted Answer

The same current flows through both light bulbs.

Answer

It has two light bulbs.

Answer

It uses a single battery.

Answer

The current is divided between the light bulbs.

Question 38

What is one benefits of using a parallel circuit?

Accepted Answer

If one goes down, it does not affect the others.

Answer

It gets confusing.

Answer

There are no problems.

Answer

Porque es para llelio.

Question 39

Every time the number of components in a series circuit increases,

Accepted Answer

... the current decreases more

Answer

... the current increases more

Answer

... the voltage increases more

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