NEW
Font size
S
M
L
XL
WorksheetsElectricity and Magnetism
Total questions: 60
Worksheet time: 33mins
Name
Class
Date
1.
The process of transferring charge by touching
a)
Induction
b)
Conduction
c)
Friction
d)
Conductor
2.
The rearrangement of electrons on a neutral object caused by a nearby charged object
a)
Induction
b)
Conduction
c)
Friction
d)
Conductor
3.
Electric current that flows in only one direction.
a)
Voltage
b)
Direct Current
c)
Alternating Current
d)
Series Circuit
4.
Electric current that reverses its direction of flow in a regular pattern
a)
Voltage
b)
Direct Current
c)
Alternating Current
d)
Parallel Circuit
5.
This is related to the force that causes electric charges to flow. It is the "push".
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.
According to this law, the current in a circuit equals the voltage difference divided by the resistance.
a)
Law of Conservation of Energy
b)
Ohm's Law
c)
Law of Conservation of Charges
d)
Newton's First Law
8.
The current has only has one loop to flow through in this circuit.
a)
Series Circuit
b)
Parallel Circuit
9.
This circuit contains two or more branches for current to move through.
a)
Series Circuit
b)
Parallel Circuit
10.
An example of a conductor is :
a)
a glass paperweight
b)
a plastic cap
c)
a metal screw
d)
a wooden handle
11.
The type of current produced by a battery is:
a)
induced current
b)
alternating current
c)
magnetic current
d)
direct current
12.
According to Ohm's law, Resistance is equal to to voltage divided by:
a)
potential difference
b)
conduction
c)
time
d)
current
13.
An example of an insulator is:
a)
iron
b)
silver
c)
copper wire
d)
rubber
14.
Electric charge that has built up in one place is referred to as _____.
a)
circuit electricity
b)
current circuit
c)
current electricity
d)
static electricity
15.
Resistance is measured in a unit called the _____.
a)
amperes
b)
coulombs
c)
ohms
d)
volts
16.
The presence of a static electric charge can be detected by an electroscope.
a)
T
b)
F
17.
In Figure 21-2 above, which circuit represents an old string of Christmas lights that would all go out when one light goes out?
a)
circuit A
b)
circuit B
c)
both circuit A and B
d)
neither circuit A nor B
18.
In Figure 21-2 above, which circuit represents the way that homes are usually wired? This includes wiring in the bathroom.
a)
circuit A
b)
circuit B
c)
both circuit A and B
d)
neither A nor B
19.
In Figure 21-2 above, which circuit is wired in series?
a)
circuit A
b)
circuit B
c)
both circuit A and B
d)
neither A nor B
20.
Lightning is _____.
a)
a buildup of neutrons
b)
harmless
c)
a high-voltage electric current
d)
a large discharge of static electricity
21.
The charge of an electron is:
a)
Positive.
b)
Negative.
c)
Electrons have no charge
22.
When you remove a bulb from a three bulb circuit, and the other two bulbs go off, then the bulbs must have been connected in __________.
a)
parallel
b)
series
c)
open
d)
closed
23.
What is the difference between direct current and alternating current?
a)
Direct current is the flow of electricity in only one direction, while alternating current reverses its direction at regular intervals of time.
b)
Alternating current is the flow of electricity in only one direction, while direct current reverses its direction at regular intervals of time.
c)
They are both the same thing, the only difference being the geographical area in which the term is being used.
d)
None of these answers are correct.
24.
Does this statement best describe a parallel or a series circuit.
When more light bulbs are added they all remain bright.
When more light bulbs are added they all remain bright.
a)
Parallel circuit
b)
Series circuit
25.
Walking across a carpet is an example of charge being transferred by
a)
friction.
b)
induction.
c)
contact.
d)
static electricity
26.
Two like charges:
a)
neutralize each other.
b)
repel each other.
c)
must be neutrons.
d)
attract each other.
27.
Which best describes a parallel circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from one source.
c)
Electricity flows along more than one pathway.
d)
The flow of electricity comes from more than one source.
28.
Voltage is measured in __.
a)
volts.
b)
watts.
c)
coulombs.
29.
Resistance is measured in ___.
a)
watts.
b)
amps.
c)
ohms.
30.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
31.
This is an example of a ______ circuit
a)
Series
b)
Parallel
c)
Open
d)
Dihexihedral
32.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The bulbs are wired on after the other and must share the electricity making the bulbs dim.
c)
It uses a single battery.
d)
The electrical current is divided between the three light bulbs.
33.
What would happen if you took one bulb out of a series circuit?
a)
The circuit would be closed
b)
It would not change the circuit
c)
You would create a short circuit
d)
None of the other bulbs would light
34.
Mr. Ito has a string of holiday lights that are connected in parallel. What is true about these lights?
a)
If one light on the string goes out, all the other lights will remain lit.
b)
If one light goes out, all the lights on the string will go out.
c)
If one light goes out, the circuit will remain closed.
d)
There is only one path for electric current to flow.
35.
A closed path that electric current follows
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
36.
An electrical current produces a(n):
a)
magnetic field
b)
magnetic domains
c)
electrical resistance
d)
both b& c are correct
37.
What do the lines around this magnet represent?
a)
North Pole
b)
South Pole
c)
Magnetic Declination
d)
Magnetic Field
38.
Where could you hold a south pole of a permanent magnet to get the rotor to move counter-clockwise?
a)
A & B
b)
B & C
c)
A & C
d)
B & D
39.
If you place the North pole of a magnet next to the South pole of another magnet, they will:
a)
Attract
b)
Repel
c)
Do nothing
d)
Shatter
40.
If you cut a magnet in half, what happens to the poles?
a)
One half gets the North Pole, the other half gets the South Pole
b)
Both halves get only a North Pole
c)
Both halves get only a South Pole
d)
Both halves get a North pole and a South Pole
41.
A student sprinkled iron filings around a bar magnet and observed that the filings formed the pattern shown below. The magnetic field is strongest at point
a)
A
b)
B
c)
C
d)
D
42.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
43.
Two north poles will attract.
a)
True
b)
False
44.
If you place the North pole of a magnet next to the South pole of another magnet, they will:
a)
Attract
b)
Repel
c)
Do nothing
d)
Shatter
45.
Where is the strongest attraction force of the magnet?
a)
at the poles
b)
in the middle
c)
above the magnet
d)
below the magnet
46.
In un-magnetized materials the domains are __________ aligned.
a)
super
b)
slightly
c)
randomly
d)
always
47.
All matter is made of what ?
a)
energy
b)
atoms
c)
electrons
d)
compounds
48.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
49.
The central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
50.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
51.
What would increase the strength of an electromagnet?
a)
Increasing the amount of current flowing through the wire.
b)
Inserting a wooden core inside the coil
c)
Changing the direction of the current
d)
Decreasing the number of coils of wire
52.
The strength of the magnetic field of a electromagnet can be increased by
a)
Decreasing the number of coils.
b)
Increasing the number of coils
c)
Decreasing the current
d)
Increasing the resistance
53.
What are the two main parts of the atom?
a)
nucleus and cytoplasm
b)
nucleus and electron cloud
c)
core and electron cloud
d)
protons and neutrons
54.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles.
d)
the middle.
55.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
56.
Magnets that are arranged like this will _______.
a)
move away from each other (repel)
b)
move towards each other (attract)
57.
These magnets will _______.
a)
move away from each other (repel)
b)
move toward each other (attract)
58.
This is a picture of a simple electromagnet. How can the electromagnet be made stronger?
a)
Add more coils of wire to the nail.
b)
Use a smaller battery.
c)
Reverse the poles of the magnet.
d)
Remove all the coils and the nail.
59.
What is the device seen here?
a)
generator
b)
electric motor
c)
electromagnet
d)
magnet
60.
What will happen when these magnets are brought close together?
a)
They will attract each other.
b)
They will repel each other.
c)
Both magnets will turn to the left
d)
Both magnets will turn to the right
Reset
