Examples from the Web for electromagnet
The galvanic current acts on the electromagnet m, which is fixed in a small metal box containing also the battery.
The ringing of the electric bell is due to the attractive power of an electromagnet.General Science|Bertha M. Clark
You want to know how the earth can be a magnet unless it has an iron core like an electromagnet.Electricity and Magnetism|Elisha Gray
Two things are needed, then, to make a dynamo: an electromagnet and a coil to turn between the poles of that magnet.
The Morse telegraph sounder (Fig. 61) consists of an electromagnet and a soft-iron armature.