perioodiliselt muutuva tugevuse ja suunaga elektrivool
elektrivool, mis on perioodiline aja funktsioon, mille alaliskomponent on null või mille alaliskomponent on tühine
electric current which periodically reverses direction and changes its magnitude continuously with time in contrast to direct current which flows only in one direction
electric current that is a periodic function of time with a zero direct component or, by extension, a negligible direct component
Vahelduvvool on elektrienergia vorm, milles elektrienergia tarnitakse ettevõtetele ja elamutele, ning see on vorm, mida tarbijad tavaliselt kasutavad, kui nad ühendavad köögiseadmed, telerid, ventilaatorid ja elektrilambid seinakontakti.
Alternating current is the form in which electric power is delivered to businesses and residences, and it is the form of electrical energy that consumers typically use when they plug kitchen appliances, televisions, fans and electric lamps into a wall socket.