D. running electric current through a coiled, conductive wire.
An electromagnet is formed when an electric current flows through a coil of wire, generating a magnetic field.
An electromagnet is created by
A.
brushing a piece of steel with a soft cloth.
B.
putting a piece of soft iron in an outlet.
C.
rubbing two pieces of metal together quickly.
D.
running electric current through a coiled, conductive wire.
1 answer
1 answer