Mirga paatentii motora elektirikii (AC induction motor) fi tiraanisfoormerii (transformer) kan inni qabu dhaabbanni Joorji Westiingihaawus (George Westinghouse) jedhamu eeyyama kan argate yoo ta'u, akkasumas dhaabbanni kun Teslaa akka gorsaatti elektirikii danbali'uuni (alternating current) hojjachuuf akka isaan gargaaru qacare.
