WorksheetsMagnetism
Total questions: 28
Worksheet time: 23mins
Name
Class
Date
1.
Which of the following will not attract or repel each other?
a)
two magnets
b)
a magnet and a stationary charge
c)
a magnet and a current-carrying wire
d)
two current-carrying wires
2.
Generators can produce only alternating current.
a)
True
b)
False
3.
A magnet moving back and forth in the center of a coil of wire produces a direct current in the wire.
a)
True
b)
False
4.
At the geographic North Pole, a compass will point south.
a)
True
b)
False
5.
Temperature does not have a strong effect on a ferromagnetic object.
a)
True
b)
False
6.
Natural magnets, such as lodestones, display ferrimagnetism.
a)
True
b)
False
7.
The strongest part of a magnet is...
a)
the bars.
b)
the force field.
c)
the poles.
d)
the middle.
8.
Magnets strongly attract all metals.
a)
True
b)
False
9.
Liquid oxygen and gaseous oxygen display different magnetic properties.
a)
True
b)
False
10.
The
strongest magnets are made out of pure substances.
a)
True
b)
False
11.
It is
possible for a magnet to have only one pole.
a)
True
b)
False
12.
Magnetic
fields interact with each other just like electric fields.
a)
True
b)
False
13.
William
Gilbert was the first person to experiment with magnets.
a)
True
b)
False
14.
The
first practical use of natural magnets was navigation.
a)
True
b)
False
15.
Who
were the first people to use magnetic compasses?
a)
Greeks
b)
Europeans
c)
Chinese
d)
Arabians
16.
Which
of the following is a step-up transformer?
a)
first coil--9 wraps; second coil--3 wraps
b)
first coil--8 wraps; second coil--7 wraps
c)
first coil--7 wraps; second coil--8 wraps
d)
first coil--6 wraps; second coil--6 wraps
17.
Geothermal
energy generation uses what kind of turbine?
a)
steam
b)
water
c)
wind
d)
gas
18.
Most
of the electricity we use in our homes is supplied by a(n)
a)
DC generator.
b)
DC motor.
c)
AC generator.
d)
AC motor.
19.
Which
of the following will induce a current in a nearby circuit?
a)
any magnet
b)
a stationary horseshoe magnet
c)
a stationary electromagnet
d)
a moving electromagnet
20.
Magnetic lines of force point
a)
toward a north magnetic pole.
b)
toward a south magnetic pole.
c)
toward the magnetic South Pole.
d)
in the opposite direction that a compass points.
21.
Who
changed the study of magnetism from superstition to science?
a)
the Greeks
b)
William Gilbert
c)
Petrus de Maricourt
d)
the Chinese
22.
Magnets have a north and a south ___________
a)
shape
b)
color
c)
pole
d)
region
23.
What kind of magnet can be turned on and off?
a)
refridgerator magnet
b)
electromagnet
c)
magnetite
d)
iron
24.
Which of the following is NOT part of an electromagnet?
a)
Wire
b)
Iron
c)
Toothpick
d)
Power source
25.
Surrounding every magnet is a __________ __________.
a)
magnetic field
b)
electrical current
c)
another magnet
26.
How many poles does a magnet have?
a)
1
b)
2
c)
3
d)
4
27.
Magnets that are arranged like this will _______.
a)
move away from each other (repel)
b)
move towards each other (attract)
28.
These magnets will _______.
a)
move away from each other (repel)
b)
move toward each other (attract)
100 %
