WorksheetsElectromagnetism
Total questions: 25
Worksheet time: 15mins
This picture best illustrates the construction of a(n)
magnet
electromagnet
series circuit
parallel circuit
The picture above is an example of what?
Magnetic field
Electric field
Repulsion
Attraction
What would happen with the magnets in the picture above?
They would repel
Nothing
They would attract
They would repel and then attract
When running a current through a wire, what do the blue lines represent?
The wire spinning
A magnetic field that was created
Electrons leaving
Electricity
Increasing the number of coils in an electromagnet will _________ the power of the magnet.
decrease
increase
not affect
What conclusion can you draw from this graph?
As current increases, magnetic strength decreases.
As current increases, magnetic strength increases.
As current decreases, magnetic strength increases.
There is no relationship between current and magnetic strength.
Protons have a ____________ charge.
negative
neutral
positive
Electrons have a ____________ charge.
negative
neutral
positive
A _______________ is a current-carrying coil of wire with many loops.
magnet
electromagnet
solenoid
compass
What three minerals are attracted to a magnet?
Gold, copper, cobalt
Cobalt, aluminum, silver
Iron, copper, aluminum
Iron, nickel, cobalt
What can electromagnets do that regular magnets can't?
Switch their magnetic fields
Explode
Be turned off
They are both the same in every way
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
