Quotes Donut - Iron which is brought near a spiral of copper wire, traversed by an electrical current, becomes magnetic, and then attracts other pieces of iron, or a suitably placed steel magnet.

Iron which is brought near a spiral of copper wire, traversed by an electrical c... - Hermann von Helmholtz - Quotes Donut

Written By Hermann von Helmholtz

Iron which is brought near a spiral of copper wire, traversed by an electrical current, becomes magnetic, and then attracts other pieces of iron, or a suitably placed steel magnet.

9 Reads • May 24, 2021