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Seven solenoids. A solenoid is an electromagnetic device used to remotely or automatically supply switching, actuation, or adjustment movement to a secondary device.How does a solenoid work?
Solenoids are devices that are capable of changing electrical energy into mechanical, or linear, energy. The most common type of solenoid is uses the magnetic field created from an electrical current as the trigger for the production of a push or pull that drives mechanical action in objects such as starters, valves, switches and latches.