Quiz about Electricity / Magnetism

Question 1

Which picture below does NOT represent "The Law of Electric Charges?"

Accepted Answer

A

Answer

B

Answer

C

Answer

D

Question 2

Which of the following particles has a positive (+) charge?

Accepted Answer

Proton

Answer

Neutron

Answer

Electron

Question 3

Which of the following particles has a negative (-) charge?

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Question 4

Why are protons and electrons attracted to each other?

Accepted Answer

Protons have a positive charge and electrons have a negative charge

Answer

Protons have a negative charge and electrons have a positive charge

Answer

They both are positively charged

Answer

They both are negatively charged

Question 5

What method of charging is involved when charges in an uncharged object are rearranged without touching a charged object?

Accepted Answer

Induction

Answer

Friction

Answer

Convection

Answer

Conduction

Question 6

What generates electrical energy from chemical energy?

Accepted Answer

Chemical Cell (Battery)

Answer

Circuit

Answer

Photocell

Answer

Current

Question 7

What type of charging happens when electrons move from one object to another by direct contact?

Accepted Answer

Conduction

Answer

Friction

Answer

Induction

Answer

Detection

Question 8

Which material below is an electrical insulator?

Accepted Answer

Wood

Answer

Copper

Answer

Iron

Answer

Gold

Question 9

Which below is an example of an electrical conductor?

Accepted Answer

Copper

Answer

Wood

Answer

Air

Answer

Plastic

Question 10

Which picture shows an example of Direct Current (DC)?

Accepted Answer

Battery (Cell)

Answer

Outlet

Question 11

Which is an example of Alternating Current (AC)?

Accepted Answer

Outlet

Answer

Battery (Cell)

Question 12

Which picture below shows the direction that the charges (electrons) in a simple circuit move?

Accepted Answer

a

Answer

b

Answer

c

Answer

d

Question 13

Pretend you are an electron in a copper wire which is being used to connect a battery to a flashlight bulb. Because this circuit uses a(n) _____________________ current, you as the electron in the wire will _______

Accepted Answer

direct, move only in one direction.

Answer

alternating, move first one way then the other.

Answer

direct, move first one way then the other.

Answer

alternating, move only in one direction.

Question 14

This picture is showing what kind of circuit...

Accepted Answer

Series Circuit

Answer

Parallel Circuit

Question 15

The circuit above shows a _______________ circuit.

Accepted Answer

Parallel

Answer

Series

Question 16

Tell me if the statement below is a characteristic of either a series circuit or parallel circuit.

Uses less electrical energy

Accepted Answer

Series

Answer

Parallel

Question 17

Tell me if the statement below is a characteristic of either a series circuit or parallel circuit.

One light dies, the rest stay on

Accepted Answer

Parallel

Answer

Series

Question 18

Tell me if the statement below is a characteristic of either a series circuit or parallel circuit.

Battery and bulbs last longer

Accepted Answer

Series

Answer

Parallel

Question 19

Tell me if the statement below is a characteristic of either a series circuit or parallel circuit.

Lights stay fully bright when other lights are added

Accepted Answer

Parallel

Answer

Series

Question 20

Tell me if the statement below is a characteristic of either a series circuit or parallel circuit.

Battery and bulbs die faster

Accepted Answer

Parallel

Answer

Series

Question 21

Tell me if the statement below is a characteristic of either a series circuit or parallel circuit.

One light dies, they all die

Accepted Answer

Series

Answer

Parallel

Question 22

In the schematic diagram above, which of the following bulbs will go out if the switch is turned OFF (If the switch is open)?

Accepted Answer

All the Bulbs

Answer

Bulb A

Answer

Bulb A and B

Answer

Bulb B and C

Question 23

In the schematic diagram below, which of the following bulbs will go out if the switch is turned OFF (If the switch is open)?

Accepted Answer

Bulb A

Answer

Bulb A and B

Answer

Bulb B and C

Answer

All the Bulbs

Question 24

What will happen if you turn off a microwave that is plugged into a parallel circuit?

Accepted Answer

All of the other appliances will still work.

Answer

All of the other appliances will stop working.

Answer

The appliances farther from the voltage source will stop working.

Answer

The appliances closest to the microwave will stop working.

Question 25

What kind of circuit is shown in Figure 1?

Accepted Answer

Series Circuit

Answer

Parallel Circuit

Answer

Compound Circuit

Question 26

What happens if the bulb at #2 burns out?

Accepted Answer

Bulb #1 goes out

Answer

Bulb #1 stays lit

Answer

The battery goes out

Question 27

If the switch located at #3 is closed, what happens in the circuit?

Accepted Answer

Bulbs #1 and #2 light up

Answer

Nothing happens

Answer

One light turns on

Question 28

What kind of circuit is shown in Figure 2?

Accepted Answer

Parallel Circuit

Answer

Series Circuit

Answer

Compound Circuit

Question 29

What happens if the bulb at #2 burns out?

Accepted Answer

Bulb #1 stays lit

Answer

Bulb #1 goes out

Answer

The battery goes out

Question 30

If the switch located at #3 is closed, what happens in the circuit?

Accepted Answer

Bulbs #1 and #2 light up

Answer

Nothing happens

Answer

One light turns on

Question 31

How should Tim wire four bulbs in a circuit so that all bulbs will shine as brightly as possible?

Accepted Answer

He should wire all four bulbs in a parallel circuit.

Answer

He should wire all four bulbs in a series circuit.

Answer

He should wire three bulbs in series and one bulb in parallel.

Answer

He should wire all four bulbs in a combination circuit.

Question 32

During physical science class, Ben and Jerry connected three identical light bulbs in parallel to a battery. What happens when Ben removes one of the light bulbs from its socket?

Accepted Answer

The other light bulbs remain on and will be equally bright.

Answer

All the light bulbs go out.

Answer

The other light bulbs remain on, one brighter and the other less bright than before.

Answer

The other light bulbs remain on, one less bright and the other the same brightness as before.

Question 33

An advantage of parallel circuits is that they

Accepted Answer

allow current to flow even if some paths are cut.

Answer

stop transmitting all current if even one resistor breaks.

Answer

form a single path through which the current flows.

Answer

divide the voltage evenly between all resistors.

Question 34

When using a series circuit to connect four small light bulbs, which statement is MOST accurate?

Accepted Answer

As more light bulbs are added in the circuit, the brightness of the bulbs will decrease.

Answer

If one bulb fails, the other three can remain operational.

Answer

The current passing through each bulb will increase.

Answer

By adding more light bulbs in the circuit, it will destroy the electrical energy

Question 35

The following statements were made about a circuit:

1) The voltage in each path is the same.

2) There is more than one path for electrons to reach resistors.

These statements are all true for ___________ circuits.

Accepted Answer

parallel

Answer

closed

Answer

open

Answer

series

Question 36

A series circuit contains four light bulbs. The switch is opened and one of the bulbs is removed, but not replaced. Then the switch is closed again. What would you expect to see?

Accepted Answer

None of the remaining light bulbs will be on.

Answer

All three remaining light bulbs will be on.

Answer

Only the bulb closest to the switch will be on.

Answer

All three remaining light bulbs will be brighter than before.

Question 37

What happens in this circuit if one of the light bulbs is unscrewed?

Accepted Answer

The other bulb stays lit.

Answer

The other bulb goes out.

Answer

Current stops flowing in the circuit.

Answer

The current path in the circuit is broken.

Question 38

An electrician is creating a wiring plan for a small house. He needs to create a plan that will allow the homeowners to turn off the oven without affecting the refrigerator in the kitchen. What should he do?

Accepted Answer

He should wire the kitchen in parallel.

Answer

He should wire the kitchen in series.

Answer

He should make sure that each appliance provides the same resistance.

Answer

He should wire the appliances directly to the circuit breaker box.

Question 39

Based on the diagram of the two electrical circuits, assuming the light bulbs are all identical, which circuit will use less electrical energy?

Accepted Answer

The series circuit will use less electrical energy.

Answer

The parallel circuit will use less electrical energy.

Answer

The circuits will draw equal amounts of electrical energy.

Answer

It cannot be determined without knowing the resistance of the light bulbs.

Question 40

In the compound circuit below, which light bulb will be the brightest?

Accepted Answer

Light bulb 3

Answer

Light bulb 1

Answer

Light bulb 2

Answer

All of the light bulbs will be equally bright.

Question 41

How many poles does a magnet have?

Accepted Answer

2

Answer

1

Answer

3

Answer

4

Question 42

On a magnet, like poles ________________

Accepted Answer

repel

Answer

attract

Answer

have no interaction

Answer

attract and repel

Question 43

Any material that attracts objects made of iron, cobalt, or nickel is a ____________________________.

Accepted Answer

magnet

Answer

motor

Answer

turbine

Answer

conductor

Question 44

Magnets have tiny regions of atoms that line up called __________________________________.

Accepted Answer

Magnetic domains

Answer

Magnetic poles

Answer

Magnetic field

Answer

Magnetic field lines

Question 45

This is the force of attraction or repulsion generated by moving or spinning electric charges (electrons).

Accepted Answer

magnetic force

Answer

electric force

Answer

static force

Answer

frictional force

Question 46

Magnets that keep their magnetism for a long time after they are removed from a magnetic field are called _____________________.

Accepted Answer

permanent magnets

Answer

temporary magnet

Answer

electromagnets

Answer

ferromagnets

Question 47

Magnets that lose their magnetism easily are called ___________________________________.

Accepted Answer

temporary magnets

Answer

ferromagnets

Answer

permanent magnets

Answer

electromagnets

Question 48

A magnet can be demagnetized by __________________________________.

Accepted Answer

rubbing it against iron

Answer

holding it in your hand

Answer

holding it in the air

Answer

dropping it

Question 49

Magnets made of iron, cobalt, nickel, or a mixture of these materials are called __________________________.

Accepted Answer

ferromagnets

Answer

temporary magnets

Answer

electromagnets

Answer

iron magnets

Question 50

Combining the properties of electricity and magnetism is called ____________________________.

Accepted Answer

electromagnetism

Answer

galvanometer

Answer

electrical energy

Answer

electric motor

Question 51

A device that takes mechanical energy and converts it into electrical energy is called an ________________________________.

Accepted Answer

electric generator

Answer

electric motor

Answer

electric circuit

Answer

electric turbine

Question 52

A device made of a solenoid, iron core, and an energy source is a(n) ___________________________.

Accepted Answer

electromagnet

Answer

electric magnet

Answer

solenoid

Answer

permanent magnet

Question 53

What is formed around a current-carrying wire _________________________________?

Accepted Answer

magnetic field

Answer

electric motor

Answer

electric field

Answer

electric generator

Question 54

A compass needle points to the north geographic

pole of the Earth because it is attracted to the ____________________

magnetic pole that is nearby.

Accepted Answer

South

Answer

North

Question 55

The lines that represent the area that surrounds a magnet are called ________________________________.

Accepted Answer

magnetic field lines

Answer

magnetic forces

Answer

electric field lines

Answer

permanent magnet

Question 56

What happens to the direction of the magnetic field if the electric current is reversed?

Accepted Answer

It reverses direction

Answer

It stays the same

Answer

It does not have a direction

Answer

The magnetic field stops

Question 57

Which of these items can be attracted to a magnet?

Accepted Answer

a paper clip

Answer

A copper penny

Answer

aluminum foil

Answer

plastic domino

Question 58

At a hydroelectric dam, ________________ energy turns the generator shaft which generates ___________________energy.

Accepted Answer

Mechanical, Electrical

Answer

Electrical, Mechanical

Answer

Electrical, Chemical

Answer

Electrical, Electrical

Question 59

An electric motor transforms _______________ energy into ________________ energy.

Accepted Answer

electrical, mechanical

Answer

electrical, chemical

Answer

mechanical, chemical

Answer

mechanical, electrical

Question 60

A compass works great when finding your direction because the needle is a small _________________.

Accepted Answer

magnet

Answer

electric motor

Answer

electric generator

Answer

coil of wire

Question 61

Poles on magnets are named ____________________________________.

Accepted Answer

north and south

Answer

east and west

Answer

east and north

Answer

west and south

Question 62

Magnetic force is the strongest at what part(s) of a magnet?

Accepted Answer

North and South poles

Answer

North pole

Answer

South pole

Answer

Magnetic domains

Question 63

The picture below shows a magnet moving through a solenoid which generates electricity. What is the term that describes this effect?

Accepted Answer

electromagnetic induction

Answer

magnetic charging

Answer

electromagnetic conduction

Answer

electromagnet

Question 64

The following picture is an example of

Accepted Answer

magnetic field

Answer

electric field

Answer

electric current

Answer

magnetic force

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