НК
Наталья Крутышева
сделать все возможные вопросы к предложению штук по 5.
If the force causing and changing the electron flow is periodical, the current is alternating.
If the force causing and changing the electron flow is periodical, the current is alternating.
Is the current alternating?
What is alternating?
The current is alternating, isn't it?
Is the current alternating or direct?
In what conditions is the current alternating?
Во всех предложениях, кроме последнего, в начало добавь if the force causing and changing the electron flow is periodical