minnionminnion786
minnionminnion786 minnionminnion786
  • 12-05-2019
  • Physics
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how are electromagnets and bar magnets alike and how are they different ?

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blazing33
blazing33 blazing33
  • 12-05-2019

An electromagnet is made from a coil of wire which acts as amagnet when an electric current passes through it. Often anelectromagnet is wrapped around a core of ferromagnetic material like steel, which enhances the magnetic field produced by the coil.

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