1. A north pole of a magnet will _____________ the north
pole of another magnet.
2. The direction of any magnetic field is defined as the
direction the ___________ would point.
3. Dropping a temporary magnet can ______________ its
magnetism.
4. The direction of the force on a positive charge moving
through a magnetic field can be found using the ________rule.
5. The magnetic pole in the northern hemisphere is in
___________.
6. A __________ is a group of atoms whose magnetic fields
are aligned.
7. Magnets have ________ and _______ poles.
8. The earth creates a/an __________ field.
9. What is the magnetic field strength of a 500 N force
with 2.5 A of current in an 8 m length wire?
10. A magnetic field exists around any wire that carries
a __________.
11. The direction of the current in the wire is ________________________
the wire.
12. As the length of a wire gets longer, what happens
to the magnetic field produced?
13. What is the current in a 2.0 cm wire that has a force
of 1780 N and 25 T magnetic field?
14. A set of Christmas lights includes three parallel
circuits, each with 6 A of current. The 20 m string of lights has
an electric force of 4800 N. What is the electric field produced?
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