With an AC generator, a slightly different configuration alternates the push and pull of each generator terminal. Thus the electricity in the wire moves in one direction for a short while and then reverses its direction when the generator armature is in a different position.
the electrons move through a wire in AC electricity. Of course, both ends of the wire extend to the AC generator or source of power. The charge at the ends of the wire alternates between negative (−) and positive (+). If the charge is negative (−), that
pushes the negatively charged electrons away from that terminal. If the charge is positive (+), the electrons are attracted in that direction.