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12 Cards in this Set
- Front
- Back
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Magnetic field |
Surrounds a magnet and exerts a force on other magnets and objects made of magnetic material |
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Magnetism |
Properties and interactions of magnets |
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Magnetic domain |
Group of aims in a magnetic material poles of the atoms pointing in the same direction |
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Magnetic pole |
Region on a magnet where the magnetic force exerted by a magnet is strongest |
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Permanent magnet |
Magnet that stays magnetized |
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Electromagnetic induction |
Process by which electric current is produced in a wire loop by a changing magnetic field |
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Electric motor |
Device that converts electrical energy to mechanical energy by using the magnetic forces between an electromagnet and a permanent magnet to make a shaft rotate |
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Electromagnet |
Temporary magnet made by wrapping a wire coil around iron core |
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Generator |
Device that uses electromagnetic induction to convert mechanical energy to electric energy |
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Galvanometer |
Device that uses an electromagnet to measure electric current |
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Turbine |
Large wheel that rotates when pushed by steam wind or water and and provides mechanical energy to a generator |
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Transformer |
Device that uses electromatic induction to increase or decrease the voltage of an alternating current |
