Solenoid A tubular coil containing a movable magnetic core, which moves when the coil is energized. Switch A device used to open, close or redirect current in an electrical circuit. Go to top of page Terminal A device attached to the end of a wire, cable or load to make an electrical connection. Go to top of page Volt A unit of measurement of electrical pressure. Voltage The electrical pressure which causes current flow in a circuit.
Voltage drop The loss of electrical pressure caused by resistance in a circuit.
The unit for measuring electrical power or work. All rights reserved.