mingming0301
mingming0301 mingming0301
  • 09-02-2017
  • Chemistry
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what is an electromagnet

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Аноним Аноним
  • 09-02-2017
An electromagnet is a magnet that runs on electricity
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Аноним Аноним
  • 09-02-2017
An electromagnet is a soft metal core made into a magnet by the passage of electric current through a coil surrounding it. 
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