An electromagnet is a coil of wire wrapped around a bar of iron or other ferromagnetic material.
(An electromagnet; is; a coil of wire wrapped around a bar of iron or other ferromagnetic material) (a coil of wire; wrapped; around a bar of iron or other ferromagnetic material)
An electromagnet a coil of wire
is wrapped
a coil of wire wrapped around a bar of iron or other ferromagnetic material
around a bar of iron or other ferromagnetic material