Chapter 21 Vocab-Magnetism
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A field that surrounds all magnets. It was magnetic force is exerted through.
Group of atoms with their fields pointing in the same direction
the region of space affected by earth's magnetic field
a currnt carrying wire wrapped around an iron core
any device that converts electric energy into kinetic energy
a device that uses a magnetic field to turn motion into electricity
a current that changes direction
a current where electrons flow in ONE direction
a device that changes the voltage of an alternating current with little loss of energy
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