Question

Both “blank” and “ blank” use electric current and coiled wires to produce strong magnetic fields.

Answer 1

electromagnet

Step-by-step explanation:

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire wound into a coil. A current through the wire creates a magnetic field which is concentrated in the hole, denoting the center of the coil.