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electric current that reverses its direction of flow in a regular pattern. |
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Electric current that flows in only one direction. |
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Tempeorary magnet made by wrapping a wire coil. Carrying a current magnetic field |
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Electromagnetic Induction |
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Process in which electric current is produced in a wire loop by a changing magnetic field. |
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A device that use an electromagnet to measure electric current. |
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Device that uses electromagnetic induction to convert mechanical energy to electrical energy. |
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A group of atoms in a magnetic material with the magnetic rules of the atoms pointing in the same direction. |
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Surrounds a magnet and exerts on other magnets and objects made of magnetic materials |
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Region in a magnet where the magnetic force exerted by a magnet is strongest; like poles repel and opposite poles attract. |
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The properties and interactions of magnets |
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A wire wrapped into a cylindrical coil. |
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Device that uses electromagnetic induction to increase or decrease the voltage of an alternating amount. |
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Large wheel that rotate when pushed by stream , wired , or water and provides mechanical energy to a generator. |
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