Matching Pairs ELECTRIC MACHINES definitionsOnline version ELECTRIC MACHINES definitions by Ramiro Moscoso 1 excitation 2 motor - electric motor 3 DC (direct current) 4 electric generator 5 induction 6 electromagnetic 7 AC (alternating current) 8 magnetic field "having both electrical and magnetic properties / of or relating to the interrelation of electric currents or fields and magnetic fields”. “a device that changes power into movement, used to make machines work”; a device that changes electric power into movement. “an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies”. “an electric current flowing in one direction only”. the production of an electric or magnetic state by the proximity ( with-out contact) of an electrified or magnetized body”/ “ the production of an electric current in a conductor by varying the magnetic field applied to the conductor”. “ region around a magnetic material or a moving electric charge within which the force of magnetism acts.” “machine for producing electric energy / dynamo or similar machine for converting mechanical energy into electricity”. “current in a coil that gives rise to a m.m.f.( MagnetoMotive Force) in a magnetic circuit, especially in a generator or motor.”