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- 1. Multiple Choice
A magnetic field is...
a non-contact field force located around a magnet.
a contact field around an electrically charged object.
a non-contact field around an electrically charged object.
- 2. Multiple Choice
An electric field is...
a non-contact field force located around a magnet.
a contact field around an electrically charged object.
a non-contact field around an electrically charged object.
- 3. Multiple Choice
How can you produce a magnetic field?
By running a current through a wire.
By stringing magnets together.
They cannot be produced.
- 4. Multiple Choice
What is a current?
a flow of electrons.
the contact field force around charged objects.
the movement of protons in a metal element.
- 5. Multiple Choice
A compass changes direction based on the location on the Earth. This is evidence that the Earth has ...
a magnetic field.
an electric field.
volcanos.
- 6. Multiple Choice
In order to increase a current you would need to ...
increase the movement of a magnetic field.
decrease the movement of a magnetic field.
decrease the number of coils in an electromagnet.
- 7. Multiple Choice
How do you increase the magnetic field in an electromagnet?
Increase the strength of the electrical current.
Increase the length or the wire.
Increase the distance between the north and south poles.
- 8. Multiple Choice
What is the direction of movement in a magnetic field?
North Pole to South Pole
South Pole to North Pole
East Pole to West Pole
- 9. Multiple Choice
Electric and magnetic fields
increase when the charge and distance increases.
increases when the charge decreases and the distance increases.
increases when the charge increases and the distance decreases.
- 10. Multiple Choice
How can you produce an electric field?
By running a current through wood
By moving a magnetic field
They cannot be produced.
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