The movable part in a relay is the _____.

The ___ is an electromagnetic device that contains a coil rotating on a jeweled bearing mount.

Ferromagnetic materials have minute magnetic ___ created within their atomic structure by the orbital motion and spin of electrons.

___ is the ability of a material to remain magnetized after removal of the magnetizing force.

When the speed at which a conductor is moved through a magnetic field is increased, the induced voltage will _____.