( alternating currents)
An alternating current is an electric current that continually changes direction as it flows. The abbreviation AC is also used.
N-VAR
( alternating currents)
An alternating current is an electric current that continually changes direction as it flows. The abbreviation AC is also used.
N-VAR
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006