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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