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