[{"question":"Ako zostroj\u00edme cievku s jadrom?","answers":["Odpoj\u00edme konce vodi\u010da od bat\u00e9rie.","\u017delezn\u00fd klinec prilo\u017e\u00edme k \u0161pendl\u00edkom.","Pripoj\u00edme konce vodi\u010da k bat\u00e9rii.","Izolovan\u00fd vodi\u010d navinieme na \u017eelezn\u00fd klinec."],"correct":"Izolovan\u00fd vodi\u010d navinieme na \u017eelezn\u00fd klinec.","order":"1"},{"question":"Kedy sa cievka s jadrom stane elektromagnetom?","answers":["Ke\u010f konce vodi\u010da na cievke odpoj\u00edme od bat\u00e9rie.","Ke\u010f konce vodi\u010da na cievke pripoj\u00edme k bat\u00e9rii.","Ke\u010f \u0161pendl\u00edky odpadn\u00fa od jadra.","Ke\u010f konce jadra pripoj\u00edme k bat\u00e9rii."],"correct":"Ke\u010f konce vodi\u010da na cievke pripoj\u00edme k bat\u00e9rii.","order":"2"},{"question":"Ktorou \u010das\u0165ou elektromagnetu neprech\u00e1dza elektrick\u00fd pr\u00fad?","answers":["cievkou","jadrom","izolovan\u00fdm vodi\u010dom","koncami izolovan\u00e9ho vodi\u010da"],"correct":"jadrom","order":"3"},{"question":"\u010co sa stane, ak zv\u00e4\u010d\u0161\u00edme po\u010det z\u00e1vitov na cievke elektromagnetu?","answers":["Stane sa z neho slab\u0161\u00ed magnet.","Pritiahne viac \u0161pendl\u00edkov.","Zmen\u0161\u00ed sa jeho magnetick\u00e9 pole.","Jadro nebude magnetom."],"correct":"Pritiahne viac \u0161pendl\u00edkov.","order":"4"},{"question":"Kedy sa elektromagnet stane silnej\u0161\u00edm magnetom?","answers":["Ak ho pripoj\u00edme k v\u00e4\u010d\u0161iemu nap\u00e4tiu.","Ak z neho vyberieme jadro.","Ak ho pripoj\u00edme k men\u0161iemu nap\u00e4tiu.","Ak zmen\u0161\u00edme po\u010det z\u00e1vitov na cievke elektromagnetu."],"correct":"Ak ho pripoj\u00edme k v\u00e4\u010d\u0161iemu nap\u00e4tiu.","order":"5"},{"question":"Pre\u010do je v\u00fdhodnej\u0161ie pou\u017e\u00edva\u0165 elektromagnet ako trval\u00fd magnet?","answers":["Lebo trval\u00fd magnet sa d\u00e1 vypn\u00fa\u0165 a zapn\u00fa\u0165.","Lebo elektromagnet nem\u00f4\u017ee by\u0165 silnej\u0161\u00ed magnet.","Lebo elektromagnet sa d\u00e1 vypn\u00fa\u0165 a zapn\u00fa\u0165.","Lebo trval\u00fd magnet m\u00e1 m\u00e1lo z\u00e1vitov na cievke."],"correct":"Lebo elektromagnet sa d\u00e1 vypn\u00fa\u0165 a zapn\u00fa\u0165.","order":"6"},{"question":"\u010co sa to\u010d\u00ed v najjednoduch\u0161om elektromotore?","answers":["cievka","elektromagnet","jadro","magnetka"],"correct":"magnetka","order":"7"},{"question":"Pre\u010do sa jadro elektromagnetu stane magnetom?","answers":["Lebo jadrom prech\u00e1dza elektrick\u00fd pr\u00fad.","Lebo jadro je pripojen\u00e9 k bat\u00e9rii.","Lebo jadro je v magnetickom poli cievky.","Lebo jadro pritiahne \u0161pendl\u00edky."],"correct":"Lebo jadro je v magnetickom poli cievky.","order":"8"},{"question":"\u010co sa stane, ak vyberieme jadro z elektromagnetu?","answers":["Elektromagnet sa stane slab\u0161\u00edm magnetom.","Elektromagnet sa stane silnej\u0161\u00edm magnetom.","Elektromagnet sa nebude da\u0165 vypn\u00fa\u0165.","Elektromagnet sa nebude da\u0165 zapn\u00fa\u0165."],"correct":"Elektromagnet sa stane slab\u0161\u00edm magnetom.","order":"9"},{"question":"\u010co by sme mali dodr\u017ea\u0165 aby sme vyrobili dobr\u00fd elektromagnet?","answers":["Vonkaj\u0161\u00ed priemer elektromagnetu by mal by\u0165 dvakr\u00e1t v\u00e4\u010d\u0161\u00ed ne\u017e jadro.","Vonkaj\u0161\u00ed priemer elektromagnetu by mal by\u0165 dvakr\u00e1t men\u0161\u00ed ne\u017e jadro.","Vodi\u010d nemus\u00ed by\u0165 izolovan\u00fd.","Nie je v\u00fdhodn\u00e9 pou\u017ei\u0165 tenk\u00fd meden\u00fd dr\u00f4t ako vodi\u010d."],"correct":"Vonkaj\u0161\u00ed priemer elektromagnetu by mal by\u0165 dvakr\u00e1t v\u00e4\u010d\u0161\u00ed ne\u017e jadro.","order":"10"}]