Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Electromagnet Core A coil of wire, usually wound around a core of iron or steel, which produces a magnetic field when electricity flows through the wire. The material around which a coil is wound. Coil Magnet Wire wound repeatedly around a central core Object that attracts certain metals, mainly iron Permanent Magnet Temporary Magnet An object that keeps its magnetism for a long time Loses its magnetism after a short time