下列对于电动势的叙述,错误的是()。 A、电动势就是电压B、电动势就是电位差C、电动势就是高电位D、电动势是外力把单位正电荷从电源负极移到正极所做的功
下列对于电动势的叙述,错误的是()。
A、电动势就是电压
B、电动势就是电位差
C、电动势就是高电位
D、电动势是外力把单位正电荷从电源负极移到正极所做的功
相关考题:
感应电动势包括感生电动势和动生电动势,下列说法哪个是正确的? Induction Electromotive Force includes Induced Electromotive Force and Motional Electromotive Force, which of the following statements is true?A.由于磁场变而产生的电动势不是感生电动势; The electromotive force due to the change of magnetic field is not Induced Electromotive Force;B.由于线圈(导体)动产生的电动势是动生电动势; The electromotive force produced by the coil (conductor) is Motional Electromotive Force.C.由于磁场变而产生的电动势是动生电动势; The electromotive force due to the change of magnetic field is Motional Electromotive Force.D.由于线圈(导体)动产生的电动势不是动生电动势; The electromotive force due to coil (conductor) mot