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mccormick magnets

Chapter 18 sect 1 and sect 2

QuestionAnswer
compass a device which uses a magnetic needle that can turn freely to determine direction
magnetic field surrounds a magnet and exerts a magnetic force on other magnets
magnetic domain group of atoms whose fields point in the same direction
magnetosphere region of space affected by Earth's magnetic field
electromagnet magnet created by wrapping a current-carrying wire around an iron core
motor device that transforms electrical energy into kinetic energy
generator device that uses a magnetic field to turn kinetic energy into electrical energy
alternating current (AC) electric current that changes its direction repeatedly
direct current (DC) electric current that flows only in one direction
transformer device used to increase or decrease the voltage of an alternating current
Created by: smccormick
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