【单选题】In which of the following does the current in an electrical circuit equal the electromotive force divided by the resistance?
【判断题】国有土地使用权可以作为商品出让和转让,也可以用于抵押。( )
【简答题】英翻汉“An electric current varies directly as the electromotive force and inversely as the resistance. ”
【判断题】国有土地使用权可以作为商品出让和转让,也可以用于抵押。( )
【判断题】The term voltage is commonly used to indicate a difference in potential but electromotive force is not.
【判断题】Electromotive force (EMF) is measured in volts .
【判断题】在不能利用自然导体的情况下,保护零线导电能力最好不低于相线的二分之一.
【简答题】( ): Electromotive force or potential difference, usually expressed in volts.
【单选题】Which of the following can NOT be regarded as an external electromotive force (emf)?
【单选题】The electromotive force or EMF is measured __________ Volts.