Electric current that reverses directions at regular intervals.

Measurement of current flow through a conductor.

The smallest unit of matter.  Everything in the world is made of different combinations of atoms.

A single or group of connected electric cells that produces a direct electric current (DC).

Total loss of electric power from the power distributor.

A temporary reduction of voltage supplied by the electric power distributor.

The ability of a component to store an electrical charge.

Electricity produced by a surplus or a shortage of electrons in an object.

The path followed by a flow of electric current.

A substance or material that allows electrons, or electrical current, to flow through it.