A soft iron core wound with a coil through which an electric current is passed. The core is magnetized while the current flows, but is demagnetized when the current stops. See RESISTANCE WELDING, Stored Energy.
A soft iron core wound with a coil through which an electric current is passed. The core is magnetized while the current flows, but is demagnetized when the current stops. See RESISTANCE WELDING, Stored Energy.