名詞 electromotive force:

1. the rate at which energy is drawn from a source that produces a flow of electricity in a circuit; expressed in volts
   同義詞：voltage, emf

1. Current, electromotive force, or power supplied to an electric circuit, network, or device.
   電流，電能，電力供給電路、網(wǎng)絡(luò)或設(shè)備的電流、電動力量或電力
2. The SI unit of magnetic flux equal to the magnetic flux that in linking a circuit of one turn produces in it an electromotive force of one volt as it is uniformly reduced to zero within one second.
   韋伯磁通量的國際單位，等于當磁通量在一秒鐘內(nèi)被統(tǒng)一地減弱為零時在它聯(lián)接的一圈電路內(nèi)產(chǎn)生一伏特電動勢時的磁通量