The generation of current

Thin, freely moving iron needles are placed on a panel between the north and south poles of a powerful magnet; the magnetic field is clearly apparent. When a copper wire breaks the lines of magnetic force, an electric current is generated in the wire. Model cars illustrate that when a magnet is pl...

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Bibliographic Details
Corporate Author: Films for the Humanities (Firm)
Format: Video VHS
Published: Princeton, NJ : Films for the Humanities & Sciences, 1987.
Series:Introductory concepts in physics.
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