[{"question":"Trojf\u00e1zov\u00fd altern\u00e1tor je zdrojom:","answers":["pilovit\u00e9ho nap\u00e4tia","jednosmern\u00e9ho pr\u00fadu","striedav\u00e9ho nap\u00e4tia","jednosmern\u00e9ho nap\u00e4tia"],"correct":"striedav\u00e9ho nap\u00e4tia","order":"1"},{"question":"Stator trojf\u00e1zov\u00e9ho altern\u00e1tora tvoria:","answers":["tri cievky","dve cievky","jedna cievka","magnet"],"correct":"tri cievky","order":"2"},{"question":"Rotor trojf\u00e1zov\u00e9ho altern\u00e1tora tvor\u00ed:","answers":["tri cievky","dve cievky","jedna cievka","elektromagnet"],"correct":"elektromagnet","order":"3"},{"question":"Ak\u00fa frekvenciu m\u00e1 striedav\u00fd pr\u00fad u n\u00e1s:","answers":["3000 Hz","50 Hz","500 Hz","100 HZ"],"correct":"50 Hz","order":"4"},{"question":"S\u00fastava strojov, v ktorej je altern\u00e1tor spojen\u00fd s hriade\u013eom hnacej turb\u00edny, sa vol\u00e1:","answers":["turboaltern\u00e1tor","turbo","turbomotor","turborotor"],"correct":"turboaltern\u00e1tor","order":"5"},{"question":"Vodi\u010d spojen\u00fd s uzlom (spolo\u010dn\u00fdm bodom jedn\u00e9ho konca ka\u017edej cievky) sa vol\u00e1:","answers":["spojovac\u00ed vodi\u010d","zdru\u017een\u00fd vodi\u010d","f\u00e1zov\u00fd vodi\u010d","nulovac\u00ed vodi\u010d"],"correct":"nulovac\u00ed vodi\u010d","order":"6"},{"question":"Medzi f\u00e1zov\u00fdmi vodi\u010dmi a nulovac\u00edm vodi\u010dom s\u00fa:","answers":["jednosmern\u00e9 nap\u00e4tia","striedav\u00e9 nap\u00e4tia","f\u00e1zov\u00e9 nap\u00e4tia","zdru\u017een\u00e9 nap\u00e4tia"],"correct":"f\u00e1zov\u00e9 nap\u00e4tia","order":"7"},{"question":"Nap\u00e4tia medzi \u013eubovo\u013en\u00fdmi dvoma f\u00e1zov\u00fdmi vodi\u010dmi s\u00fa:","answers":["jednosmern\u00e9 nap\u00e4tia","striedav\u00e9 nap\u00e4tia","f\u00e1zov\u00e9 nap\u00e4tia","zdru\u017een\u00e9 nap\u00e4tia"],"correct":"zdru\u017een\u00e9 nap\u00e4tia","order":"8"},{"question":"V\u00a0elektrickom rozvode spotrebite\u013eskej siete je f\u00e1zov\u00e9 nap\u00e4tie:","answers":["230 V","400 V","100 V","300 V"],"correct":"230 V","order":"9"},{"question":"V\u00a0elektrickom rozvode spotrebite\u013eskej siete je zdru\u017een\u00e9 nap\u00e4tie:","answers":["230 V","400 V","100 V","300 V"],"correct":"400 V","order":"10"}]