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WorksheetsFields and Electromagnetism
Total questions: 20
Worksheet time: 1hrs 13mins
This picture best illustrates the construction of a(n)
magnet
electromagnet
series circuit
parallel circuit
What is magnetic force?
A force exerted by electrically charged particles
A force exerted by magnets that can be felt by objects near a magnet
A force exerted by magnets that makes an object become electrically charged
A force exerted by a magnet only when it physically touches an object
The picture above is an example of what?
Magnetic field
Electric field
Repulsion
Attraction
The strongest parts of the magnet are ...
fronts
backs
poles
middle
The area around a magnet is called the .....
attraction zone
work area
magnetic field
hot zone
Which one represents the magnetic field lines of magnets repelling?
A
B
Which one represents the magnetic field lines of magnets attracting?
A
B
A coil of wire that has an iron core and that acts as a magnet when an electric current is in the coil is called a(n)
magnetic pole
electromagnet
permanent magnet
horseshoe magnet
Which of the following is NOT true about an electromagnet?
it can be strong enough to levitate a train
the current may be turned on or off
its strength is reduced by decreasing the voltage in the current
its strength is reduced by increasing the voltage in the current
Electrical forces are...
Invisible
Visible
Not Real
Dangerous
The area of electric force around an electrically charged particle is called an...
Electric Force
Electric Field
Electricity
Attract and Repel
In electrical fields, when a line is pointed inward towards a particle it means the particle is....
Postitive
Negative
Neutral
Lost
In electrical fields, when a line is pointed outward away from a particle it means the particle is....
Positive
Negative
Neutral
not good at directions.
