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ELECTROMAGNET: 12V BATTERY-WIRE COILED AROUND NAIL<br />
Electric Current Creates A Magnetic Field<br />
Magnetic field created by flow of electrons through the copper wire attracts paper clips- carpet tacks & screws; deflects compass needle.

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ELECTROMAGNET: 12V BATTERY-WIRE COILED AROUND NAIL
Electric Current Creates A Magnetic Field
Magnetic field created by flow of electrons through the copper wire attracts paper clips- carpet tacks & screws; deflects compass needle.

Copyright:© 1989 Richard Megna - Fundamental Photographs

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richard megna