Chap 2 - Quiz
Évaluation
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1.
Which type of current always maintains the same direction of flow?
2.
Which type of current is generally used to power industrial motors?
3.
Which type of current periodically changes direction?
4.
In which type of current does each phase operate independently of the others?
5.
Which type of current is mainly used to power portable electronic devices?
6.
Which of these types of current is best suited for transmitting electricity over long distances with reduced losses?
7.
The period of an alternating current corresponds to:
8.
Which of these types of current can be single-phase or three-phase depending on the application?
9.
For which type of current is long-distance transmission facilitated by transformers?
10.
Which type of current can be used in single-phase form for domestic lighting?