Ndụmọdụ onye, n'etiti Tesla na Adams, bụ nke usoro AC zuru ezu adabereghị na ya? N'iburu ajụjụ nke mbụ n'uche, dee ihe gbara ya gburugburu bụ́ nke ga-enye azịza ya. Ọ nwere ike ịbụ 1 - 20 ahịrịokwu. Ihe ndị gbara ya gburugburu:
N'afọ 1893, Richard Dean Adams, onye na-eduzi Ụlọ Ọrụ Na-arụ Ụlọ Mmiri nke Niagara Falls, jụrụ Tesla ihe o chere banyere otú kacha mma a ga-esi na-enye ndị mmadụ ikike mmiri ahụ na-enye. N'ime ọtụtụ afọ, e nweela ọtụtụ atụmatụ na asọmpi na-emeghe maka otu esi eji ike nke ọdịda ahụ na-arụ ọrụ nke ọma na ọtụtụ usoro nke ọtụtụ ụlọ ọrụ US na Europe na-atụ aro gụnyere AC abụọ na atọ, DC dị elu, na ọbụna ikuku ikuku. Adams nyere Tesla ihe ọmụma banyere ọnọdụ dị ugbu a nke usoro nile na-asọ mpi. Tesla dụrụ Adams ọdụ na usoro nke abụọ ga-abụ nke a pụrụ ịdabere na ya na na e nwere usoro Westinghouse iji mee ka bọlbụ ọkụ na-enwu ọkụ na-eji usoro abụọ na-agbanwe agbanwe. Dabere na ndụmọdụ Tesla na ngosipụta nke Westinghouse na ha nwere ike iwulite usoro AC zuru oke na Ngosipụta Columbian, e nyere Westinghouse Electric nkwekọrịta maka iwulite usoro mmepụta AC abụọ na Niagara Falls. E nyere General Electric ọrụ ọzọ iji wuo usoro nkesa AC.