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Chapter 21 Vocab-Magnetism
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A field that surrounds all magnets. It was magnetic force is exerted through.
Magnetic Field
Group of atoms with their fields pointing in the same direction
magnetic domain
the region of space affected by earth's magnetic field
magnetosphere
a currnt carrying wire wrapped around an iron core
Electromagnet
any device that converts electric energy into kinetic energy
motor
a device that uses a magnetic field to turn motion into electricity
generator
a current that changes direction
Alternating Current
a current where electrons flow in ONE direction
Direct Current
a device that changes the voltage of an alternating current with little loss of energy
transformer
Author
Anonymous
ID
132611
Card Set
Chapter 21 Vocab-Magnetism
Description
Magnetism
Updated
2/3/2012, 12:05:02 PM
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