例句與造句

1. Alternating power source generates electromotive force, and it generates potential differences and longitudinal electric fields in a circuit almost instantaneously.
2. The article states that alternating power source generates electromotive force, which generates potential differences and longitudinal electric fields in a circuit almost instantaneously.
3. It's difficult to find generating electromotive force in a sentence. 用generating electromotive force造句挺難的