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I need help with this ?

I need help with this ?
asked 146k views
4 votes
I need help with this ?

I need help with this ?-example-1
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User Tomek Szpakowicz
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8.0k points

1 Answer

6 votes

Electromagnets use electric currents to create a magnetic field. Electromagnets are different than permanent magnets because you can turn them on and off.

answered
User Kranthi Kumar
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