of electrical pressure as a current flows through

a resistance.

pressure. 1 volt is the pressure required to send

1 ampere of current through a resistance of 1

ohm.

the amount of power used when 1 ampere of dc

flows through a resistance of 1 ohm.

electrical pressure. Voltage is a force

that causes current to flow through an

maximum power that a device can safety handle.

electrical conductor. (2) The voltage of a

circuit is the greatest effective difference of

potential between any two conductors of the

circuit.

equal to 1 watt of power for 1 hour.

assumes that all magnetic material is composed

desired portions of the source voltage may be

of many tiny magnets. A piece of magnetic

tapped off for use in equipment.

material that is magnetized has all of the tiny

magnets aligned so that the north pole of each

magnet points in one direction.

between two points. It is the result of the loss