[{"question":"Dve \u017eiarovky zapojen\u00e9 za sebou maj\u00fa dvojn\u00e1sobn\u00fd v\u00fdkon ke\u010f","answers":["ke\u010f maj\u00fa rovnak\u00e9 nap\u00e4tie aj pr\u00fad","ke\u010f maj\u00fa dvojn\u00e1sobn\u00e9 nap\u00e4tie aj pr\u00fad","maj\u00fa rovnak\u00e9 nap\u00e4tie a dvojn\u00e1sobn\u00fd pr\u00fad","maj\u00fa rovnak\u00fd pr\u00fad a dvojn\u00e1sobn\u00e9 nap\u00e4tie"],"correct":"maj\u00fa rovnak\u00fd pr\u00fad a dvojn\u00e1sobn\u00e9 nap\u00e4tie","order":"1"},{"question":"Dve \u017eiarovky maj\u00fa dvojn\u00e1sobn\u00fd v\u00fdkon pri rovnako nap\u00e4t\u00ed a dvojn\u00e1sobnom pr\u00fade. Ako s\u00fa zapojen\u00e9?","answers":["s\u00e9riovo","za sebou","paralelne","nad sebou"],"correct":"paralelne","order":"2"},{"question":"Ako vypo\u010d\u00edtame v\u00fdkon elektrick\u00e9ho pr\u00fadu?","answers":["P = U.I","U = P.I","P = U\/ I","U = P \/I"],"correct":"P = U.I","order":"3"},{"question":"Ak\u00fd je pr\u00edkon spotrebi\u010da, ktor\u00edm pri nap\u00e4t\u00ed 230 V prech\u00e1dza pr\u00fad 0,1 A.","answers":["23 W","2300 W","0,23 W","230 W"],"correct":"23 W","order":"4"},{"question":"Ko\u013eko tepla vznikne vo vari\u010di s pr\u00edkonom 1000 W za 2 min\u00faty?","answers":["1000 J","2000 J","120 000 J","1,2 kJ"],"correct":"120 000 J","order":"5"},{"question":"R\u00fdchlovarn\u00e1 kanvica m\u00e1 pr\u00edkon 2000 W. M\u00f4\u017eeme ju zapoji\u0165 do z\u00e1suvky ktor\u00e1 je isten\u00e1 na 10 A?","answers":["nie, lebo odober\u00e1 men\u0161\u00ed pr\u00fad ako 10 A","nie, lebo odober\u00e1 v\u00e4\u010d\u0161\u00ed pr\u00fad ako 10 A","\u00e1no, lebo odober\u00e1 v\u00e4\u010d\u0161\u00ed pr\u00fad ako 10 A","\u00e1no, lebo odober\u00e1 men\u0161\u00ed pr\u00fad ako 10 A"],"correct":"\u00e1no, lebo odober\u00e1 men\u0161\u00ed pr\u00fad ako 10 A","order":"6"},{"question":"Ako vypo\u010d\u00edtame \u00fa\u010dinnos\u0165 spotrebi\u010da?","answers":["pr\u00edkon\/v\u00fdkon","v\u00fdkon\/pr\u00edkon","v\u00fdkon.pr\u00edkon","v\u00fdkon - pr\u00edkon"],"correct":"v\u00fdkon\/pr\u00edkon","order":"7"},{"question":"\u0160tart\u00e9r auta \u0161tartuje s v\u00fdkonom 1620 W. Ak\u00fa m\u00e1 \u00fa\u010dinnos\u0165, ke\u010f n\u00edm pre\u0161iel pri \u0161tartovan\u00ed pr\u00fad 180 A pri nap\u00e4t\u00ed 12 V?","answers":["0,75 %","75 %","133 %","33 %"],"correct":"75 %","order":"8"},{"question":"Vyberte pravdiv\u00e9 tvrdenie.","answers":["V\u00fdkon spotrebi\u010da je aj jeho pr\u00edkon.","V\u00fdkon spotrebi\u010da je pr\u00edkon elektrick\u00e9ho pr\u00fadu.","Pr\u00edkon spotrebi\u010da je v\u00fdkon elektrick\u00e9ho pr\u00fadu.","V\u00fdkon elektrick\u00e9ho pr\u00fadu je aj jeho pr\u00edkon."],"correct":"Pr\u00edkon spotrebi\u010da je v\u00fdkon elektrick\u00e9ho pr\u00fadu.","order":"9"},{"question":"Dve \u017eiarovky s\u00fa zapojen\u00e9 paralelne, a svietia slab\u0161ie ako jedna. \u010co zmen\u0161ilo ich v\u00fdkon?","answers":["zv\u00e4\u010d\u0161il sa pr\u00fad cez \u017eiarovky","zmen\u0161il sa pr\u00fad cez \u017eiarovky","zmen\u0161ilo sa nap\u00e4tie na \u017eiarovk\u00e1ch","zv\u00e4\u010d\u0161ilo sa nap\u00e4tie na \u017eiarovk\u00e1ch"],"correct":"zmen\u0161il sa pr\u00fad cez \u017eiarovky","order":"10"}]