WorksheetsPart 2, Electromagnets, Generators and Motors,
Total questions: 8
Worksheet time: 8mins
Name
Class
Date
1.
What force does a magnetic field apply without actually touching the object?
a)
a push or pull
b)
gravity
c)
friction
d)
pressure
2.
In an electric motor, the energy transformation begins as ----
a)
electrical and becomes chemical
b)
mechanical and becomes electrical
c)
electrical and becomes mechanical
d)
mechanical and becomes chemical
3.
What is the transfer of electricity in a motor?
a)
chemical to mechanical
b)
electrical to mechanical
c)
mechanical to electrical
d)
physical to potential
4.
What happens to the strength of an electromagnet as you add more coils around it?
a)
Increases
b)
Decreases
c)
Stays the same
d)
Stops completely
5.
Electricity is the flow of _________.
a)
Protons
b)
Neutrons
c)
Electrons
6.
What can you use to make an electromagnet?
a)
Battery, nail and string
b)
Battery, pencil and wire
c)
Wire, battery and iron ore (nail)
d)
Peanut butter, lampshade, hand sanitizer
7.
What is most likely to happen when the switch is closed?
a)
A magnetic field should be produced
b)
The nail will rust
c)
The battery will explode
d)
The wire will catch on fire
8.
Electric fields are often associated with what other kind of field?
a)
Magnetic Fields
b)
Nuclear Fields
c)
Particle Fields
d)
Corn Fields
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