elec·tro·mag·ne·tism /ɪˌlɛktroˈmægnəˌtɪzəm/
電磁,電磁學
elec·tro·mag·ne·tism /ɪˌlɛktroˈmægnəˌtɪzəm/ 名詞
電磁,電磁學
electromagnetism
n 1: magnetism produced by an electric current; "electromagnetism
was discovered when it was observed that a copper wire
carrying an electric current can magnetize pieces of
iron or steel near it"
2: the branch of physics concerned with electromagnetic
phenomena [syn: electromagnetics]