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Transcript
Magnetism and Electromagnetism Key Terms
Solenoid|A long, helically wound coil of insulated wire.
Magnetic domain|A group of atoms whose magnetic fields are aligned in the same direction.
Magnetic field|A region in which a magnetic force can be detected.
Electromagnetic induction|The process of creating a current or voltage in a circuit loop by moving a
conductor through a magnetic field.
Generator|A machine that converts mechanical energy into electrical energy.
Alternating current|A current that changes direction at regular intervals.
Direct current|A current that flows in the same direction.
Transformer|A device that increases or decreases the voltage or alternating current.
Magnet|A material or object that produces a magnetic field.
Right hand rule|A useful way to visualize the direction of a magnetic force.
Electromagnet|A temporary magnet whose magnetic field is produced by an electric current.
Electric motor|A machine that converts electrical energy to mechanical energy.
Compass|An instrument for determining direction relative to the Earth's magnetic poles.
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