| 释义 |
电动势diàndòngshì单位正电荷沿回路移动一周所作的功,叫做电源的电动势。电源不输出电流时,电源的电动势等于两极间的电势差。单位是伏特。{electro-motive force (EMF); work done by unit positive charge moving one circle along a return circuit; the potential difference between the terminals of a source when not supplying electricity; unit:
volt} |