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PS Chapter 20:Magnet

PS Chapter 20: Magnetism Coach Leach

TermDefinition
magnet Any material or object that can produce a magnetic field.
magnetism The properties of magnets and magnetic fields and the phenomena that they produce.
magnetic pole One of the two regions of concentrated magnetic fields in a magnet; traditionally referred to as north and south.
magnetic field The region surrounding a magnet or current containing wire that can apply a manetic force on magnetic materials.
magnetic domain A group of atoms whose individual magnetic fields are aligned.
ferromagnetism The physical property in which a material's magnetic domains spontaneously align to an external magnetic field.
right-hand rule A mnemonic device used to remember the direction of the magnetic field induced by an electric current moving through a wire.
solenoid A coil of current carrying wire used as a magnet.
electromagnet The combination of a strong magnet and an electrified wire coil.
electromagnetic induction The principle that voltage is produces in a conductor whenever the conductor and a magnetic field are changed relative to each other.
generator A device that converts mechanical energy into electric energy by electromagnetic induction.
transformer A device that uses electromagnetic induction to increase or decrease the voltage of an AC current.
Created by: CoachLeach
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