electromagnetism
🇺🇸
/ɪˌlektrəʊˈmæɡnətɪzəm/
🇬🇧
/ɪˌlektrəʊˈmæɡnətɪzəm/
The force that causes certain materials to be attracted to each other when electricity is flowing through them.
The principles of electromagnetism are used to create powerful magnets that can lift heavy objects.
電磁學的原理被用來創建能夠舉起重物的強大磁鐵。