electromagnet
🇺🇸
/ɪˈlektrəʊmæɡnət/
🇬🇧
/ɪˈlektrəʊmæɡnət/
A device that can attract metal when electricity is flowing through it and loses its power to attract when the electricity is turned off.
The scientist used an electromagnet to lift the heavy metal object.
과학자가 전자석으로 무거운 금속 물체를 들어 올렸다.