angalkat1uralnerald angalkat1uralnerald
  • 26-11-2016
  • Physics
contestada

When a current is passed through a coil of wire with a piece of iron inside (an electromagnet,a commutator) is formed?

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andriansp andriansp
  • 01-12-2016
when a current is passed through a coil of wire with a piece of iron inside, the one that will be formed is : 
an electromagnet
It happens when a soft metal core made into magnet by passage of electric current

hope this helps
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