- Types:
- show 10 types...
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bar magnet
a magnet in the form of a bar with magnetic poles at each end
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electromagnet
a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet
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field magnet
a magnet that provides a magnetic field in a dynamo or electric motor
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magnetic needle
a slender magnet suspended in a magnetic compass on a mounting with little friction; used to indicate the direction of the earth's magnetic pole
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paramagnet
magnet made of a substance whose magnetization is proportional to the strength of the magnetic field applied to it
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permanent magnet, static magnet
a magnet that retains its magnetism after being removed from a magnetic field
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solenoid
a coil of wire around an iron core; becomes a magnet when current passes through the coil
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magnetic head
an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved
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stud finder
a small permanent magnet in a metal container; when the magnet clicks against the container it indicates that the magnet is directly over an iron nail that holds the wallboard to a stud
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loadstone, lodestone
a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically
