electromotive-force
US /i.lek.trəˌmoʊ.t̬ɪv ˈfɔːrs/
UK /i.lek.trəˌməʊ.tɪv ˈfɔːs/
名詞
電動勢
the force of an electric current produced by any device that supplies electrical energy:
範例:
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The volt is the SI derived unit of electromotive force, commonly called "voltage."