[{"question":"Sily el. po\u013ea vo vonkaj\u0161ej \u010dasti obvodu vykonaj\u00fa pr\u00e1cu","answers":["W=U.Q","W=U\/Q","W=Q\/U","W=U.I"],"correct":"W=U.Q","order":"1"},{"question":"Jednotka elektrickej pr\u00e1ce je","answers":["W\/s","J.s","J","N"],"correct":"J","order":"2"},{"question":"Pr\u00e1cu vo vonkaj\u0161ej \u010dasti obvodu pomocou R vypo\u010d\u00edtame","answers":["R.I\/t","R.I.I.t","R.I.t","R.U.t"],"correct":"R.I.I.t","order":"3"},{"question":"Mierou zmeny vn\u00fatornej energie v s\u00favislosti s prechodom el. pr\u00fadu je","answers":["Joulovo teplo","teplota","Joulova teplota","rezistorov\u00e9 teplo"],"correct":"Joulovo teplo","order":"4"},{"question":"Ak\u00fa pr\u00e1cu vykonaj\u00fa neelektrostatick\u00e9 sily pri premiestnen\u00ed \u010dast\u00edc s n\u00e1bojom Q","answers":["Ue .I\/t","Ue \/ I.t","Ue .I. I.t","Ue I.t"],"correct":"Ue I.t","order":"5"},{"question":"V\u00fdkon zdroja vypo\u010d\u00edtame","answers":["(R+Ri)\/I2","R.I2","(R+Ri).I2","R\/I2"],"correct":"(R+Ri).I2","order":"6"},{"question":"Pr\u00edkon spotrebi\u010da vypo\u010d\u00edtame","answers":["U.I\/t","U\/I","U.I","U.I.t"],"correct":"U.I","order":"7"},{"question":"\u00da\u010dinnos\u0165 zdroja je kladn\u00e9 \u010d\u00edslo","answers":["v\u00e4\u010d\u0161ie ako 1","men\u0161ie ako 1","v\u00e4\u010d\u0161ie ako 2","v\u00e4\u010d\u0161ie ako 100%"],"correct":"men\u0161ie ako 1","order":"8"},{"question":"Za akej podmienky je \u00fa\u010dinnos\u0165 zdroja 50%","answers":["R je ove\u013ea v\u00e4\u010d\u0161ie ako Ri","R = Ri","R je ove\u013ea men\u0161ie ako Ri","R je men\u0161ie ako Ri"],"correct":"R = Ri","order":"9"},{"question":"Na \u017eiarovke s\u00fa \u00fadaje 6V a 40W, vypo\u010d\u00edtajte pr\u00fad na ktor\u00fd je zhotoven\u00e1","answers":["3,95 A","5A","6,67 J","6,67 A"],"correct":"6,67 A","order":"10"}]