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• n  a temporary magnet made by coiling wire around an iron core; when current flows in the coil the iron becomes a magnet

• They lack practical versatility because their fierce attraction for iron-bearing metal cannot be turned off at will, unlike the clumsiest electromagnet, which can be controlled .
• The phenomena were produced by the activation of an electromagnet which attracted pieces of metal cleverly hidden in the performing objects.
• Each of the two cells is surrounded by a coil of electric wire which becomes an electromagnet.

News & Articles

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• Massive Electromagnet To Be Moved From New York To Chicago
  Lawrence LeBlond for redOrbit.com - Your Universe Online A super-massive electromagnet scheduled to be moved from Long Island to Chicago beginning this past weekend has been postponed due to inclement weather. The 50-foot-wide, circular electromagnet will be carefully moved in one piece from its current home in New York to the US Department of Energy’s ( DOE ) Fermi National Accelerator ...
  June 17, 2013 - redOrbit
• Electromagnet To Make Long, Complex Journey From L.I. To Illinois
  New York and Chicago are only about 800 miles apart, but moving a 50-foot wide electromagnet between the two metropolises will require a journey four times that long.
  June 16, 2013 - CBS New York
• Move of electromagnet to Fermilab delayed because of weather
  BATAVIA – The move of a 50-foot-wide, circular electromagnet from New York to Fermilab, which had been set to begin Sunday, has been delayed a week because of inclement weather.
  June 14, 2013 - Kane County Chronicle