[{"question":"Ktor\u00fd zo vzorcov pre v\u00fdpo\u010det pr\u00e1ce elektrick\u00e9ho po\u013ea je spr\u00e1vny?","answers":["W = U + Q","W = Q - U","W = U*Q","W = Q\/U"],"correct":"W = U*Q","order":"1"},{"question":"Ako vypo\u010d\u00edtame elektrick\u00fd n\u00e1boj?","answers":["I = Q + t","I = Q - t","I = Q*t","I = Q\/t"],"correct":"I = Q\/t","order":"2"},{"question":"Ktor\u00fd zo vzorcov pre v\u00fdpo\u010det pr\u00e1ce elektrick\u00e9ho po\u013ea je spr\u00e1vny?","answers":["W = U + I*t","W = I*t - U","W = U*I*t","W = I*t\/U"],"correct":"W = U*I*t","order":"3"},{"question":"Ak\u00e1 je jednotka elektrickej pr\u00e1ce?","answers":["joule","watt","newton","pascal"],"correct":"joule","order":"4"},{"question":"\u010comu sa rovn\u00e1 1 joule?","answers":["1 Wh","1 kWh","1 kWs","1 Ws"],"correct":"1 Ws","order":"5"},{"question":"Ktor\u00fd z uveden\u00fdch prepo\u010dtov\u00fdch vz\u0165ahov je spr\u00e1vny?","answers":["1 Wh = 3,6 Ws","1 Wh = 3600 Ws","1 kWh = 3,6 Ws","1 kWh = 0,0036 Ws"],"correct":"1 Wh = 3600 Ws","order":"6"},{"question":"Ako vypo\u010d\u00edtame elektrick\u00fd odpor?","answers":["R = U*I","R = U\/I","R = I\/U","R = I*U"],"correct":"R = U\/I","order":"7"},{"question":"Ktor\u00fd zo vzorcov pre v\u00fdpo\u010det pr\u00e1ce elektrick\u00e9ho po\u013ea je spr\u00e1vny?","answers":["W = R*I2*t","W = I2*t","W = R*I2","W = R*t"],"correct":"W = R*I2*t","order":"8"},{"question":"Ktor\u00fd zo vzorcov pre v\u00fdpo\u010det pr\u00e1ce elektrick\u00e9ho po\u013ea je spr\u00e1vny?","answers":["W = U2\/R","W = t*U2","W = t*U2\/R","W = t\/R"],"correct":"W = t*U2\/R","order":"9"},{"question":"Pri nap\u00e4t\u00ed 12 V medzi dvoma bodmi a odpore 7 W sa za \u010das 7 sek\u00fand vykonala pr\u00e1ca. Ak\u00e1 ve\u013ek\u00e1 bola? Uveden\u00e9 v\u00fdsledky s\u00fa v jouloch.","answers":["1.44","14.4","0.144","144"],"correct":"144","order":"10"}]