hairwiththemom12 hairwiththemom12
  • 02-06-2017
  • Biology
contestada

What creates the magnetic field in an electromagnet?

A electric current through a straight piece of metal

B magnetic fields around a straight wire

C electric current through a wire coil

D all of these

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Bsini
Bsini Bsini
  • 02-06-2017
D all of these create a magnetic field. let me know if you want me to explain.
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