[{"question":"\u010co sa nezohrieva prechodom elektrick\u00e9ho pr\u00fadu?","answers":["\u017eehli\u010dka","r\u00fdchlovarn\u00e1 kanvica","plynov\u00fd spor\u00e1k","su\u0161i\u010d na vlasy"],"correct":"plynov\u00fd spor\u00e1k","order":"1"},{"question":"Vyberte nepravdiv\u00e9 tvrdenie o tom, ako sa zohrieva vodi\u010d pri prechode elektrick\u00e9ho pr\u00fadu.","answers":["Elektr\u00f3ny v kovovom vodi\u010di nar\u00e1\u017eaj\u00fa na i\u00f3ny v kry\u0161t\u00e1lovej mrie\u017eke.","Pomal\u0161ie kmitanie i\u00f3nov v kry\u0161t\u00e1lovej mrie\u017eke sa navonok prejav\u00fd ako zv\u00fd\u0161enie teploty kovu.","Pri n\u00e1raze odovzd\u00e1 elektr\u00f3n trochu svojej energie i\u00f3nu v mrie\u017eke.","Elektr\u00f3ny sa pri n\u00e1raze brzdia."],"correct":"Pomal\u0161ie kmitanie i\u00f3nov v kry\u0161t\u00e1lovej mrie\u017eke sa navonok prejav\u00fd ako zv\u00fd\u0161enie teploty kovu.","order":"2"},{"question":"Ak\u00e9 \u0165a\u017ek\u00e9 \u010dinky mus\u00edte zdvihn\u00fa\u0165 ka\u017ed\u00fa sekundu, aby ste mali v\u00fdkon 100 W?","answers":["5 kg v ka\u017edej ruke","10 kg v ka\u017edej ruke","5 kg v jednej ruke","100 g v ka\u017edej ruke"],"correct":"5 kg v ka\u017edej ruke","order":"3"},{"question":"Ktor\u00e1 fyzik\u00e1lna veli\u010dina hovor\u00ed o tom, ko\u013eko elektrickej energie spotrebi\u010d spotrebuje za sekundu?","answers":["v\u00fdkon","pr\u00e1ca","sila","pr\u00edkon"],"correct":"pr\u00edkon","order":"4"},{"question":"Ak\u00fd v\u00fdkon m\u00e1 40 W \u017eiarovka?","answers":["40 W","1 W","39 W","40 V"],"correct":"1 W","order":"5"},{"question":"Ako vieme vypo\u010d\u00edta\u0165 straty?","answers":["v\u00fdkon - pr\u00edkon","pr\u00e1ca - v\u00fdkon","v\u00fdkon + pr\u00edkon","pr\u00e1ca - pr\u00edkon"],"correct":"v\u00fdkon - pr\u00edkon","order":"6"},{"question":"\u010co sa meria v kWh?","answers":["\u010das","v\u00fdkon","spotreba elektrickej energie","pr\u00edkon"],"correct":"spotreba elektrickej energie","order":"7"},{"question":"Kedy sa z elektrickej siete odober\u00e1 najviac energie?","answers":["v noci","na obed","r\u00e1no a poobede","dopoludnia a ve\u010der"],"correct":"dopoludnia a ve\u010der","order":"8"},{"question":"Ko\u013eko je 1 kWh?","answers":["3 600 000 J","3 600 000 N","3 600 000 W","3 600 000 h"],"correct":"3 600 000 J","order":"9"},{"question":"Vyberte pravdiv\u00e9 tvrdenie.","answers":["Spotrebi\u010de s v\u00fdkonom 1 kW spotrebuj\u00fa za hodinu energiu 1kWh.","Spotrebi\u010de s pr\u00edkonom 1 kW spotrebuj\u00fa za hodinu energiu 1 kWh.","Spotrebi\u010de s pr\u00edkonom 1 kWh spotrebuj\u00fa za hodinu energiu 1 kW.","Spotrebi\u010de s v\u00fdkonom 1 kWh spotrebuj\u00fa za hodinu energiu 1 kW."],"correct":"Spotrebi\u010de s pr\u00edkonom 1 kW spotrebuj\u00fa za hodinu energiu 1 kWh.","order":"10"}]