WorksheetsElectricity and Electromagnet
Total questions: 30
Worksheet time: 21mins
Name
Class
Date
1.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
2.
A material in which electrons are NOT able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
3.
The flow/movement of electric charges
a)
Voltage
b)
Resistance
c)
Current
d)
Circuit
4.
This is related to the "push" that causes electric charges to flow
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
5.
A closed path that electric current follows
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
6.
The current has only has one path to flow through in this type of circuit.
a)
Series Circuit
b)
Parallel Circuit
7.
This type of circuit contains two or more branches for current to move through.
a)
Series Circuit
b)
Parallel Circuit
8.
The current in a hair dryer measures 15.0 amps. The resistance of the dryer is 8 ohms. At what voltage does this dryer operate?
V = IR P = IV
V = IR P = IV
a)
1.875 V
b)
110 V
c)
115 V
d)
120 V
9.
The force a magnet exerts on another magnet, on iron or a similar metal, or on moving charges is
a)
an electric force.
b)
a magnetic force.
c)
proportional to the charge of the object.
d)
proportional to the size of the magnet.
10.
If you cut a bar magnet in half, each half
a)
becomes unmagnetized.
b)
becomes a bar magnet with two poles.
c)
contains one magnetic pole.
d)
is only temporarily magnetized.
11.
Which of the following statements describes the interaction between magnetic poles?
a)
Like poles repel each other, and opposite poles attract each other.
b)
Like poles attract each other, and opposite poles repel each other.
c)
Opposite poles repel each other.
d)
Like poles attract each other.
12.
Which situation can create a magnetic field?
a)
charged particles that do not move
b)
an isolated magnetic pole
c)
moving electric charges
d)
gravity
13.
Circuits in homes are usually wired in
a)
series.
b)
parallel.
c)
aluminum wire.
d)
series with a fuse.
14.
Which circuit is a series circuit?
a)
Circuit A
b)
Circuit B
c)
Both Circuits A and B
d)
Neither Circuits A nor B
15.
Magnets attract objects made of __________.
a)
Wood and Steel
b)
Iron and Steel
c)
Iron and Copper
d)
Steel and Copper
16.
How many poles does a magnet have?
a)
1
b)
2
c)
3
d)
4
17.
What do we call the poles of a magnet?
a)
North and West
b)
East and West
c)
North and South
d)
East and South
18.
Magnetic poles that are alike _______ each other
a)
Attract
b)
Repel
19.
Where is the force the strongest on a magnet?
a)
The force is the same across the entire magnet
b)
The north pole of the magnet
c)
The south pole of the magnet
d)
Both poles of the magnet
20.
Magnets have to touch objects to attract them.
a)
True
b)
False
21.
The area surrounding a magnet that is affected by the magnet's force is called a ____________.
a)
Magnetic Field
b)
Magnetic Area
c)
Magnetic Space
d)
Magnetic Range
22.
Which subatomic particle has a positive charge?
a)
Proton
b)
Neutron
c)
Electron
23.
The subatomic particle that is responsible for moving charges is the
a)
proton
b)
neutron
c)
electron
d)
muon
24.
The accumulation of excess electric charge on an object is called
a)
Static electricity
b)
Electric discharge
c)
Resistance
d)
Circuit
25.
The process of transferring charge by touching a charged object is
a)
Induction
b)
Conduction
c)
Friction
d)
Conductor
26.
The rearrangement of electrons on a neutral object caused by a nearby charged object
a)
Induction
b)
Conduction
c)
Friction
d)
Conductor
27.
An object becomes positively charged when it
a)
gains protons
b)
loses protons
c)
gains electrons
d)
loses electrons
28.
Walking across a carpet is an example of charge being transferred by
a)
friction.
b)
induction.
c)
contact.
d)
static electricity
29.
True or False, Lighting is a form of static electricity.
a)
True
b)
False
30.
True or False: Electric charges are the same as magnetic charges
a)
True
b)
False
100 %
