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Worksheets4.3 Electricity and Magnetism
Total questions: 25
Worksheet time: 17mins
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.
Electric current that flows in only one direction.
a)
Voltage
b)
Direct Current
c)
Alternating Current
d)
Series Circuit
4.
The flow/movement of electric charges
a)
Voltage
b)
Resistance
c)
Current
d)
Circuit
5.
This is related to the force that causes electric charges to flow
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
6.
A closed path that electric current follows
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
7.
The current has only has one loop to flow through in this circuit.
a)
Series Circuit
b)
Parallel Circuit
8.
This circuit contains two or more branches for current to move through.
a)
Series Circuit
b)
Parallel Circuit
9.
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
a)
1.875 V
b)
110 V
c)
115 V
d)
120 V
10.
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.
11.
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.
12.
Resistance is affected by a material’s
a)
temperature.
b)
thickness.
c)
length.
d)
all of these.
13.
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.
14.
Which creates a magnetic field?
a)
charged particles that do not move
b)
an isolated magnetic pole
c)
moving electric charges
d)
gravity
15.
Circuits in homes are usually wired in
a)
series.
b)
parallel.
c)
aluminum wire.
d)
series with a fuse.
16.
Which circuit is a series circuit?
a)
Circuit A
b)
Circuit B
c)
Both Circuits A and B
d)
Neither Circuits A nor B
17.
Magnets attract objects made of __________.
a)
Wood and Steel
b)
Iron and Steel
c)
Iron and Copper
d)
Steel and Copper
18.
How many poles does a magnet have?
a)
1
b)
2
c)
3
d)
4
19.
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
20.
Like magnetic forces _______ each other
a)
Attract
b)
Repel
21.
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
22.
Magnets have to touch objects to attract them.
a)
True
b)
False
23.
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
24.
Which subatomic particle has a positive charge?
a)
Proton
b)
Neutron
c)
Electron
25.
As you move further away from an electric charge, the strength of an electric field
a)
Increases
b)
Decreases
c)
Stays the same
d)
Smiles and waves
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