Quiz about Electricity and Magnetism

Question 1

The buildup of charges on an object is called

Accepted Answer

static electricity

Answer

static discharge

Answer

positive charge

Answer

negative charge

Question 2

A complete, unbroken path through which electric charges can flow is a(n)

Accepted Answer

electric circuit

Answer

electrical resistance

Answer

magnetic field line

Answer

magnetic pole

Question 3

Materials through which charge can flow easily are called

Accepted Answer

conductors

Answer

insulators

Answer

resistors

Answer

magnets

Question 4

An example of an insulator is

Accepted Answer

rubber

Answer

copper

Answer

silver

Answer

iron

Question 5

The unit of measure for voltage is the

Accepted Answer

Volt

Answer

Amp

Answer

Ohm

Question 6

The unit for resistance is the

Accepted Answer

ohm

Answer

amp

Answer

volt

Answer

cenitmeter

Question 7

As the temperature of a conductors increases , the resistance ___________.

Accepted Answer

increases

Answer

decreases

Answer

stays the same

Question 8

Every magnet, regardless of its shape, has two.....

Accepted Answer

magnetic poles.

Answer

magnetic fields.

Answer

magnetic charges

Answer

magnetic needles

Question 9

Magnetic poles that are unlike......

Accepted Answer

attract each other.

Answer

repel each other.

Answer

do not interact.

Answer

point in the same direction.

Question 10

Electrical energy is transformed into mechanical energy in a................

Accepted Answer

electric motor

Answer

solenoid

Answer

electromagnet

Answer

transformer

Question 11

The relationship between electricity and magnetism is called..................

Accepted Answer

electromagetism

Answer

electrical energy

Answer

induced current

Answer

ferromagnetic

Question 12

A complete circuit through which electricity flow

Accepted Answer

Closed circuit

Answer

Open circuit

Answer

Pathway

Answer

None of the above

Question 13

A series of loops that has been wound or gathered

Accepted Answer

Coils

Answer

Strings

Answer

Roller Coaster

Answer

Copper

Question 14

The material in a light bulb (usually a thin wire) that glows when heated by an electric current.

Accepted Answer

Filament

Answer

Bulb

Answer

Flicker

Answer

Fillers

Question 15

An incomplete electrical circuit in which no electricity flows

Accepted Answer

Open Circuit

Answer

Closed Circuit

Answer

Pathway

Answer

Both A and B

Question 16

A device used to open and close a circuit

Accepted Answer

Switch

Answer

Button

Answer

Operator

Answer

All of the Above

Question 17

What was the Tesla-Edison feud all over?

Accepted Answer

AC vs DC

Answer

AZDZ

Answer

Rock Metal

Answer

Two old smarty pants fighting just to fight

Question 18

Which of the following statements about electric charge is true?

Accepted Answer

Electrical forces act at a distance.

Answer

Objects must be touching on another to exert electrical force.

Answer

Air cannot conduct electricity; it is conducted only by solid materials.

Answer

Opposite electric charges always repel one another.

Question 19

Mr. Robinson and his class are conducting an experiment. The class needs to choose a good insulator. Which of the following could be used as an insulator?

Accepted Answer

plastic plate

Answer

silver spoon

Answer

copper wire

Answer

gold necklace

Question 20

The function of a generator is to change ____.

Accepted Answer

mechanical energy to electrical energy

Answer

chemical energy to electrical energy

Answer

electrical energy to chemical energy

Answer

electrical energy to mechanical energy

Question 21

This exerts a force that causes other electric charges to move.

Accepted Answer

electrical fields

Answer

electrical poles

Answer

insulators

Answer

conductors

Question 22

Silver has a resistance of 0.0198 ohms. What voltage would produce a current of 100 amps?

Accepted Answer

1.98 V

Answer

0.000198 V

Answer

5,050 V

Answer

100.0198 V

Question 23

The transformer shown is what type?

Accepted Answer

step-down

Answer

step-up

Answer

current transformer

Answer

isolation transformer

Question 24

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

Accepted Answer

The same current flows through all threelight bulbs.

Answer

The electrical current is divided between the three light bulbs.

Answer

It has 3 light bulbs.

Answer

It uses a single battery

Question 25

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 more than one source.

Answer

The flow of electricity comes from one source.

Question 26

What is one problem with using a series circuit?

Accepted Answer

If one device goes down, they all go down!

Answer

It doesn't work properly.

Answer

It has a lot of series.

Answer

There are no problems.

Question 27

Does this diagram represent a series or parallel circuit?

Accepted Answer

series

Answer

parallel

Question 28

This is an example of a _______ circuit

Accepted Answer

parallel

Answer

open

Answer

series

Answer

switch

Question 29

The rate of electron flow in a circuit

Accepted Answer

Current

Answer

Voltage

Answer

Resistance

Question 30

Opposition to the flow of electrons

Accepted Answer

Resistance

Answer

Current

Answer

Voltage

Question 31

Unit is Ohms $$\Omega$$

Accepted Answer

Resistance

Answer

Current

Answer

Voltage

Question 32

Unit is Amps (A)

Accepted Answer

Current

Answer

Voltage

Answer

Resistance

Question 33

Unit is Volts (V)

Accepted Answer

Voltage

Answer

Current

Answer

Resistance

Question 34

Which of the following is a conductor?

Accepted Answer

penny

Answer

sheet of paper

Answer

t-shirt

Answer

plastic bottle

Question 35

Which of the pairs of balloons will repel each other?

Accepted Answer

Set A and set D

Answer

Set A

Answer

Set B

Answer

Set B and Set C

Question 36

If an object gains electrons, what charge will the object have?

Accepted Answer

negative

Answer

positive

Answer

neutral

Answer

no charge

Question 37

Static electricity is the

Accepted Answer

buildup of electrical charge

Answer

electricity created by a balloon

Answer

the same thing as friction

Question 38

Select ALL ways that a magnet can be demagnetized.

Accepted Answer

with heat

Accepted Answer

being dropped

Accepted Answer

an electric current

Answer

being too cold

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