{"id":2066,"date":"2025-09-02T01:57:08","date_gmt":"2025-09-02T01:57:08","guid":{"rendered":"https:\/\/nbaem.com\/?p=2066"},"modified":"2025-09-02T02:18:35","modified_gmt":"2025-09-02T02:18:35","slug":"what-is-meant-by-magnetic-flux","status":"publish","type":"post","link":"https:\/\/nbaem.com\/sk\/what-is-meant-by-magnetic-flux\/","title":{"rendered":"Pochopenie defin\u00edcie magnetick\u00e9ho toku: vzorec a pou\u017eitie"},"content":{"rendered":"<h2>Definovanie magnetick\u00e9ho toku<\/h2>\n<p>Magnetick\u00fd tok je meranie celkov\u00e9ho magnetick\u00e9ho po\u013ea prech\u00e1dzaj\u00faceho cez dan\u00fa plochu. Vedecky je definovan\u00fd ako s\u00fa\u010din hustoty magnetick\u00e9ho toku a plochy, ktor\u00fa pret\u00edna, s oh\u013eadom na uhol medzi nimi. In\u00fdmi slovami, hovor\u00ed v\u00e1m <strong>ko\u013eko magnetick\u00e9ho po\u013ea sa skuto\u010dne cez plochu pret\u00edna<\/strong>.<\/p>\n<p>Pre za\u010diato\u010dn\u00edkov si predstavte magnetick\u00fd tok ako \u201eko\u013eko magnetick\u00fdch \u010diar po\u013eu prech\u00e1dza plochou\u201c. Ak cez \u0148u prech\u00e1dza viac \u010diar, magnetick\u00fd tok je vy\u0161\u0161\u00ed. Ak cez \u0148u prech\u00e1dza menej, je ni\u017e\u0161\u00ed.<\/p>\n<p>Je d\u00f4le\u017eit\u00e9 rozli\u0161ova\u0165 medzi s\u00favisiacimi pojmami:<\/p>\n<table>\n<thead>\n<tr>\n<th>Term\u00edn<\/th>\n<th>V\u00fdznam<\/th>\n<th>Jednotka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Magnetick\u00fd tok (\u03a6)<\/strong><\/td>\n<td>Celkov\u00e9 magnetick\u00e9 pole prech\u00e1dzaj\u00face cez plochu<\/td>\n<td>Weber (Wb)<\/td>\n<\/tr>\n<tr>\n<td><strong>Magnetick\u00e9 pole (H)<\/strong><\/td>\n<td>Sila magnetick\u00e9ho vplyvu<\/td>\n<td>Amp\u00e9r na meter (A\/m)<\/td>\n<\/tr>\n<tr>\n<td><strong>Hustota magnetick\u00e9ho toku (B)<\/strong><\/td>\n<td>Magnetick\u00fd tok na jednotku plochy<\/td>\n<td>Tesla (T) = Wb\/m\u00b2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><strong>Magnetick\u00e9 pole<\/strong> je o sile magnetick\u00e9ho \u00fa\u010dinku.<\/li>\n<li><strong>Magnetick\u00e1 polariz\u00e1cia<\/strong> opisuje, ako s\u00fa koncentrovan\u00e9 magnetick\u00e9 flux v danom priestore.<\/li>\n<li><strong>Magnetick\u00fd tok<\/strong> pozera na v\u00e4\u010d\u0161iu s\u00favislos\u0165 \u2014 celkov\u00fd efekt na \u00fazem\u00ed.<\/li>\n<\/ul>\n<p>Prakticky povedan\u00e9, zatia\u013e \u010do magnetick\u00e1 indukcia ur\u010duje, ako siln\u00fd je magnet na ur\u010ditej mieste, magnetick\u00fd tok hovor\u00ed o celkovom magnetickom vplyve cez priestor alebo objekt. Tento rozdiel je k\u013e\u00fa\u010dov\u00fd pri in\u017einierskych aplik\u00e1ci\u00e1ch od n\u00e1vrhu transform\u00e1torov a\u017e po v\u00fdkonnos\u0165 magnetov na zriedkav\u00e9 zbery <strong><span style=\"color: #ff6600;\">(<a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/sk\/what-is-a-rare-earth-magnet\/\" target=\"_blank\" rel=\"noopener\">learn more here<\/a>).<\/span><\/strong><\/p>\n<h2>Fyzika za magnetick\u00fdm tokom<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Magnetic_Flux_and_Field_Lines_uOfHKfCAR.webp\" alt=\"Magnetick\u00fd tok a riadiace \u010diary\" \/><\/p>\n<p>Magnetick\u00fd tok je o tom, ko\u013eko magnetick\u00fdch pol\u00ed prech\u00e1dza danou plochou. M\u00f4\u017eete si predstavova\u0165 magnetick\u00e9 \u010diary ako nevidite\u013en\u00e9 vl\u00e1kna okolo magnetu alebo vodivov\u00e9ho dr\u00f4tu. \u010c\u00edm viac l\u00edni\u00ed prech\u00e1dza oblas\u0165ou, t\u00fdm v\u00e4\u010d\u0161\u00ed je magnetick\u00fd tok. Ak je povrch naklonen\u00fd, menej l\u00edni\u00ed ho pret\u00edna, \u010do znamen\u00e1 men\u0161\u00ed tok.<\/p>\n<p>Vo fyzike mer\u00edme magnetick\u00fd tok v <strong>Weberoch (Wb)<\/strong>, SI jednotka. Jeden Weber predstavuje celkov\u00e9 magnetick\u00e9 pole, ktor\u00e9 prech\u00e1dza plochou o rozmere jedn\u00e9ho \u0161tvorcov\u00e9ho metra, ke\u010f je magnetick\u00e1 indukcia jedna tesla. Symbol magnetick\u00e9ho toku je <strong>\u03a6<\/strong>.<\/p>\n<p>Magnetick\u00fd tok je sp\u00f4sob, ako pri\u0165ahnu\u0165 \u010d\u00edslo k \u201emno\u017estvu\u201c magnetizmu prech\u00e1dzaj\u00facemu nie\u010d\u00edm, \u010do u\u013eah\u010duje porovn\u00e1vanie r\u00f4znych magnetick\u00fdch usporiad\u00ed, v\u00fdpo\u010det elektrickej v\u00fdroby a navrhovanie zariaden\u00ed ako motory, gener\u00e1tory a transform\u00e1tory.<\/p>\n<h2>Matematick\u00fd v\u00fdraz magnetick\u00e9ho toku<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Magnetic_flux_formula_explanation_dzB3WfgVh.webp\" alt=\"Vysvetlenie vzorca magnetick\u00e9ho toku\" \/><\/p>\n<p>Magnetick\u00fd tok (\u03a6) sa vypo\u010d\u00edtava pod\u013ea vzorca:<\/p>\n<h3>\u03a6 = B \u00b7 A \u00b7 cos(\u03b8)<br \/>\nTu je, \u010do ka\u017ed\u00fd prvok znamen\u00e1:<\/h3>\n<p>B \u2013 hustota magnetick\u00e9ho toku, meran\u00e1 v teslach (T). Povie v\u00e1m, ako siln\u00e9 je magnetick\u00e9 pole.<br \/>\nA \u2013 plocha, ktorou magnetick\u00e9 pole prech\u00e1dza, meran\u00e1 v \u0161tvorcov\u00fdch metroch (m\u00b2).<br \/>\n\u03b8 \u2013 uhol medzi smerom magnetick\u00e9ho po\u013ea a norm\u00e1lou k povrchu (siliaca \u010diara kolm\u00e1 na povrch).<\/p>\n<p>Ak je pole dokonale kolm\u00e9 na povrch (\u03b8 = 0\u00b0), cos(\u03b8) = 1 a tok dosahuje maximum. Ak je pole paraleln\u00e9 k povrchu (\u03b8 = 90\u00b0), cos(\u03b8) = 0, \u010do znamen\u00e1, \u017ee tok nepretek\u00e1.<br \/>\nPr\u00edklad:<\/p>\n<p>Predstavte si rovn\u00fd cievok s plochou 0,05 m\u00b2 umiestnen\u00fa v jednotnom magnetickom poli 0,8 T. Ak je pole vo vzdialenej 30\u00b0 ku cievke:<\/p>\n<p>\u03a6 = 0,8 \u00d7 0,05 \u00d7 cos(30\u00b0)<br \/>\n\u03a6 \u2248 0,8 \u00d7 0,05 \u00d7 0,866<br \/>\n\u03a6 \u2248 0,0346 Wb (webery)<\/p>\n<p>Toto n\u00e1m hovor\u00ed o celom magnetickom poli \u201eprereze\u201c plochu cievky pod dan\u00fdm uhlom.<\/p>\n<h2>Meranie magnetick\u00e9ho toku<\/h2>\n<p>Meranie <strong>magnetick\u00fd tok<\/strong> je v\u0161etko o vedom\u00ed, ko\u013eko magnetick\u00e9ho po\u013ea prech\u00e1dza cez dan\u00fa plochu. V praktickej pr\u00e1ci sa to vykon\u00e1va pomocou zariaden\u00ed ako <strong>fluxmeter<\/strong> or <strong>Hallov efekt sn\u00edma\u010de<\/strong>. Fluxmeter je navrhnut\u00fd na priamy meranie celkov\u00e9ho magnetick\u00e9ho toku vo Weberoch (Wb), \u010do ho rob\u00ed ide\u00e1lnym pre laboratorn\u00e9 testovanie a in\u0161pekciu. Hallove l\u00e1tky, na druhej strane, deteguj\u00fa zmeny v sile magnetick\u00e9ho po\u013ea a m\u00f4\u017eu sa pou\u017ei\u0165 v syst\u00e9moch monitorovania v re\u00e1lnom \u010dase.<\/p>\n<p>Na Slovensku sa odvetvia ako <strong>v\u00fdroba transform\u00e1torov<\/strong>, <strong>v\u00fdroba motorov<\/strong>, a <strong>testovanie magnetick\u00fdch materi\u00e1lov<\/strong> ve\u013emi spoliehaj\u00fa na presn\u00e9 merania magnetick\u00e9ho toku. To zabezpe\u010duje, \u017ee komponenty sp\u013a\u0148aj\u00fa v\u00fdkonnostn\u00e9 \u0161tandardy a \u017ee magnety alebo cievky produkuj\u00fa presn\u00fd magnetick\u00fd efekt po\u017eadovan\u00fd. V <strong>kvalitnom riaden\u00ed<\/strong>, tieto merania pom\u00e1haj\u00fa odhali\u0165 poruchy ako podv\u00fdkonn\u00e9 magnety, nespr\u00e1vne vinutie cievky alebo materi\u00e1lne defekty\u2014\u0161etriac n\u00e1klady a zabra\u0148uj\u00fac poruch\u00e1m zariaden\u00ed.<\/p>\n<p>Be\u017en\u00e9 techniky merania magnetick\u00e9ho toku zah\u0155\u0148aj\u00fa:<\/p>\n<ul>\n<li><strong>Priame meranie pomocou fluxmetra<\/strong> pre presn\u00e9 \u010d\u00edtania vo v\u00fdskume a kalibr\u00e1cii.<\/li>\n<li><strong>Hallov efekt sn\u00edma\u010de<\/strong> pre testovanie v ter\u00e9ne a automatiza\u010dn\u00e9 syst\u00e9my.<\/li>\n<li><strong>s\u00fapravy vyh\u013ead\u00e1vac\u00edch cievok<\/strong> na detekciu zmien fluxu v ot\u00e1\u010daj\u00facich sa strojoch alebo transform\u00e1toroch.<\/li>\n<\/ul>\n<p>Presn\u00e9 meranie znamen\u00e1 lep\u0161iu konzistenciu v\u00fdrobkov, zlep\u0161en\u00fa efekt\u00edvnos\u0165 a dodr\u017eiavanie bezpe\u010dnostn\u00fdch a v\u00fdkonov\u00fdch noriem.<\/p>\n<h2>Aplik\u00e1cie a v\u00fdznam magnetick\u00e9ho toku<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/Magnetic_Flux_in_Electrical_Devices_XBK8Sya6b.webp\" alt=\"Magnetick\u00fd tok v elektrick\u00fdch zariadeniach\" \/><\/p>\n<p>Magnetick\u00fd tok zohr\u00e1va ve\u013ek\u00fa \u00falohu v tom, ako funguj\u00fa mnoh\u00e9 elektrick\u00e9 zariadenia. V <strong>elektrotechnike<\/strong>, je jadrom toho, ako <strong>transform\u00e1tory, motory a gener\u00e1tory<\/strong> funguj\u00fa. V transform\u00e1tore magnetick\u00fd tok pren\u00e1\u0161a energiu medzi cievkami bez fyzick\u00e9ho kontaktu. U motorov a gener\u00e1torov vytv\u00e1ra zmeny magnetick\u00e9ho toku pohyb alebo elektrick\u00fa energiu cez elektromagnetick\u00fa indukciu.<\/p>\n<p>\u010co sa t\u00fdka <strong>v\u00fdber magnetick\u00fdch materi\u00e1lov<\/strong>, vedie\u0165 ich fluxov\u00e9 schopnosti je d\u00f4le\u017eit\u00e9. Materi\u00e1ly s vysokou magnetickou permeabilitou m\u00f4\u017eu \u00fa\u010dinnej\u0161ie smerova\u0165 magnetick\u00fd tok, zlep\u0161ova\u0165 v\u00fdkon a zni\u017eova\u0165 energetick\u00e9 straty. To je d\u00f4le\u017eit\u00e9 v odvetviach ako automobilov\u00fd priemysel, obnovite\u013en\u00e1 energia a v\u00fdroba elektroniky.<\/p>\n<p>Dennodenne pou\u017e\u00edvame technol\u00f3giu zalo\u017een\u00fa na magnetickom toku bez toho, aby sme o tom prem\u00fd\u0161\u013eali:<\/p>\n<ul>\n<li><strong>Smartphony a notebooky<\/strong> sa spoliehaj\u00fa na komponenty ovplyvnen\u00e9 magnetick\u00fdm tokom pre bezdr\u00f4tov\u00e9 nab\u00edanie a reproduktory.<\/li>\n<li><strong>MRI pr\u00edstroje<\/strong> v nemocniciach pou\u017e\u00edvaj\u00fa siln\u00fd magnetick\u00fd tok na vytv\u00e1ranie detailn\u00fdch obrazov tela.<\/li>\n<li><strong>Induk\u010dn\u00e9 varn\u00e9 dosky<\/strong> ohrej\u00fa jedlo zmenou magnetick\u00e9ho toku cez varn\u00fd n\u00e1dobu.<\/li>\n<li><strong>Vetern\u00e9 turb\u00edny<\/strong> vyr\u00e1baj\u00fa energiu zmenou zmien magnetick\u00e9ho toku na elektrinu.<\/li>\n<\/ul>\n<p>Zo mal\u00fdch elektronick\u00fdch zariaden\u00ed po ve\u013ek\u00e9 elektr\u00e1rne je riadenie a pou\u017e\u00edvanie magnetick\u00e9ho toku k\u013e\u00fa\u010dovou s\u00fa\u010das\u0165ou zvy\u0161ovania efekt\u00edvnosti, spo\u013eahlivosti a bezpe\u010dnosti zariaden\u00ed.<\/p>\n<h2>magnetick\u00fd tok v magnetick\u00fdch materi\u00e1loch<\/h2>\n<p>Magnetick\u00fd tok zohr\u00e1va ve\u013ek\u00fa \u00falohu pri pochopen\u00ed toho, ako r\u00f4zne magnetick\u00e9 materi\u00e1ly vykon\u00e1vaj\u00fa. Materi\u00e1ly ako neod\u00fdmi, ferrit a Alnico dod\u00e1van\u00e9 spolo\u010dnos\u0165ou NBAEM sa l\u00ed\u0161ia v tom, ko\u013eko magnetick\u00e9ho toku dok\u00e1\u017eu zvl\u00e1dnu\u0165 a udr\u017ea\u0165. Z\u00e1vis\u00ed to od ich magnetickej permeability, satur\u00e1cie a odolnosti vo\u010di demagnetiz\u00e1cii. Napr\u00edklad, <strong>neod\u00fdmiumov\u00e9 magnety<\/strong> produkuj\u00fa ve\u013emi vysok\u00fd magnetick\u00fd tok vzh\u013eadom na svoju ve\u013ekos\u0165, \u010do z nich rob\u00ed ide\u00e1lne pre kompaktn\u00e9, vysoko v\u00fdkonn\u00e9 aplik\u00e1cie ako motory a reproduktory, zatia\u013e \u010do <strong>ferritov\u00e9 magnety<\/strong> pon\u00fakaj\u00fa ni\u017e\u0161\u00ed tok, ale lep\u0161iu teplotn\u00fa stabilitu a cenov\u00fa efekt\u00edvnos\u0165.<\/p>\n<p>Pri v\u00fdbere materi\u00e1lov pre priemyseln\u00e9 pou\u017eitie sa in\u017einieri pozeraj\u00fa na:<\/p>\n<ul>\n<li><strong>Kapacita hustoty magnetick\u00e9ho toku<\/strong> (ko\u013eko magnetick\u00e9ho po\u013ea na jednotku plochy materi\u00e1l unesie)<\/li>\n<li><strong>Rozsah prev\u00e1dzkov\u00fdch tepl\u00f4t<\/strong> (niektor\u00e9 materi\u00e1ly str\u00e1caj\u00fa tok pri zahrievan\u00ed \u2014 pozri <strong><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/nbaem.com\/sk\/what-is-the-effect-of-heating-neodymium-magnets\/\">ak\u00fd m\u00e1 vplyv zahrievanie neod\u00fdmu magnetov<\/a>)<\/span><\/strong><\/li>\n<li><strong>Koercivita<\/strong> (odolnos\u0165 vo\u010di strate toku zo zaporn\u00fdch magnetick\u00fdch pol\u00ed)<\/li>\n<li><strong>Po\u017eiadavky na aplik\u00e1ciu<\/strong> (siln\u00fd tok pre motory vs stabiln\u00fd tok pre senzory)<\/li>\n<\/ul>\n<p>Napr\u00edklad pri vysokonap\u00e4\u0165ov\u00fdch transform\u00e1toroch, jadr\u00e1 s vysokou kapacitou toku zni\u017euj\u00fa energetick\u00e9 straty a zlep\u0161uj\u00fa \u00fa\u010dinnos\u0165, zatia\u013e \u010do u magnetick\u00fdch senzorov je konzistentn\u00e1 odpove\u010f toku d\u00f4le\u017eitej\u0161ia ne\u017e maxim\u00e1lna sila. Rozsah materi\u00e1lov NBAEM umo\u017e\u0148uje v\u00fdrobcovi vyva\u017eova\u0165 tieto faktory, aby kone\u010dn\u00fd v\u00fdrobok splnil ciele v\u00fdkonu, ceny a trvanlivosti.<\/p>\n<h2>Be\u017en\u00e9 myln\u00e9 predstavy o magnetickom toku<\/h2>\n<p>Ve\u013ea \u013eud\u00ed si mie\u0161a <strong>magnetick\u00fd tok<\/strong> s <strong>magnetick\u00e1 sila po\u013ea<\/strong>, ale nie s\u00fa to ist\u00e9 veci. Sila magnetick\u00e9ho po\u013ea (meran\u00e1 v teslach) v\u00e1m povie, ako siln\u00e9 pole je na danom bode, zatia\u013e \u010do magnetick\u00fd tok meria <strong>celkov\u00e9 mno\u017estvo magnetick\u00e9ho po\u013ea prech\u00e1dzaj\u00faceho cez dan\u00fa plochu<\/strong>.<\/p>\n<p>Dve k\u013e\u00fa\u010dov\u00e9 body na zapam\u00e4tanie:<\/p>\n<ul>\n<li><strong>Smer m\u00e1 v\u00fdznam<\/strong> \u2013 Magnetick\u00fd tok z\u00e1vis\u00ed od uhla medzi magnetick\u00fdm po\u013eom a povrchom. Ak je pole paraleln\u00e9 s povrchom, tok je nulov\u00fd.<\/li>\n<li><strong>Oblas\u0165 z\u00e1le\u017e\u00ed<\/strong> \u2013 V\u00e4\u010d\u0161ia plocha smeruj\u00faca na pole zhroma\u017e\u010fuje viac toku ne\u017e mal\u00e1 plocha, aj ke\u010f intenzita po\u013ea je rovnak\u00e1.<\/li>\n<\/ul>\n<p>Tu je r\u00fdchly preh\u013ead:<\/p>\n<table>\n<thead>\n<tr>\n<th>Term\u00edn<\/th>\n<th>\u010co to znamen\u00e1<\/th>\n<th>Jednotka<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Magnetick\u00fd tok (\u03a6)<\/td>\n<td>Celkov\u00fd magnetick\u00fd tok cez plochu<\/td>\n<td>Weber (Wb)<\/td>\n<\/tr>\n<tr>\n<td>Magnetick\u00e1 indukcia (B)<\/td>\n<td>Intenzita magnetick\u00e9ho po\u013ea v bode<\/td>\n<td>Tesla (T)<\/td>\n<\/tr>\n<tr>\n<td>Z\u00e1vislos\u0165 toku<\/td>\n<td>Intenzita po\u013ea, ve\u013ekos\u0165 plochy a uhol<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Tip:<\/strong> Pri uva\u017eovan\u00ed o toku v\u017edy zoh\u013eadnite s\u00fa\u010dasne orient\u00e1ciu po\u013ea a ve\u013ekos\u0165 plochy. Je to obzvl\u00e1\u0161\u0165 d\u00f4le\u017eit\u00e9 pri aplik\u00e1ci\u00e1ch ako navrhovanie transform\u00e1torov, motorov alebo magnetick\u00fdch senzorov.<\/p>\n<h2>FAQ<\/h2>\n<h3>\u010co sa stane s magnetick\u00fdm tokom v uzavretom obvode<\/h3>\n<p>V uzavretom magnetickom obvode (napr\u00edklad vo vn\u00fatri jadra transform\u00e1tora) magnetick\u00fd tok pretek\u00e1 materi\u00e1lom s minim\u00e1lnou stratou, preto\u017ee cesta je kontinuita a zvy\u010dajne vyroben\u00e1 z materi\u00e1lu s vysokou permeabilitou. Tento setup pom\u00e1ha udr\u017ea\u0165 \u00fanik toku n\u00edzko, \u010do zlep\u0161uje \u00fa\u010dinnos\u0165. Ak je v obvode medzera, tok klesne, preto\u017ee vzduch m\u00e1 ove\u013ea ni\u017e\u0161iu magnetick\u00fa permeabilitu ne\u017e jadrov\u00fd materi\u00e1l.<\/p>\n<h3>Ako teplota ovplyv\u0148uje magnetick\u00fd tok v materi\u00e1loch<\/h3>\n<p>Zmeny teploty m\u00f4\u017eu ovplyvni\u0165 magnetick\u00fd tok, preto\u017ee magnetick\u00e9 vlastnosti materi\u00e1lov sa menia s teplom.<\/p>\n<ul>\n<li><strong>N\u00edzke teploty<\/strong> \u2013 Magnetick\u00e9 materi\u00e1ly maj\u00fa tendenciu lep\u0161ie uchov\u00e1va\u0165 tok.<\/li>\n<li><strong>Vy\u0161\u0161ie teploty<\/strong> \u2013 magnetick\u00e1 sila sa \u010dasto zni\u017euje, \u010d\u00edm sa zni\u017euje tok.<\/li>\n<li><strong>Nad teplotou Curie<\/strong> \u2013 Materi\u00e1ly \u00faplne str\u00e1caj\u00fa feromagnetick\u00e9 vlastnosti a magnetick\u00fd tok sa ned\u00e1 udr\u017eiava\u0165.<\/li>\n<\/ul>\n<h3>Rozdiel medzi magnetick\u00fdm tokom a magnetickou hustotou toku<\/h3>\n<table>\n<thead>\n<tr>\n<th>Term\u00edn<\/th>\n<th>Symbol<\/th>\n<th>Jednotka<\/th>\n<th>V\u00fdznam<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Magnetick\u00fd tok<\/strong><\/td>\n<td>\u03a6 (F\u00ed)<\/td>\n<td>Weber (Wb)<\/td>\n<td>Celkov\u00e9 mno\u017estvo magnetick\u00e9ho po\u013ea prech\u00e1dzaj\u00faceho cez dan\u00fa plochu<\/td>\n<\/tr>\n<tr>\n<td><strong>Magnetick\u00e1 fluxov\u00e1 hustota<\/strong><\/td>\n<td>B<\/td>\n<td>Tesla (T)<\/td>\n<td>Magnetick\u00fd tok na jednotku plochy; ako koncentrovan\u00e9 je magnetick\u00e9 pole na povrchu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>R\u00fdchla pozn\u00e1mka:<\/strong> Tok sa t\u00fdka <em>celkov\u00e9ho<\/em> po\u013ea cez plochu, zatia\u013e \u010do hustota toku sa t\u00fdka <em>ako intenz\u00edvne<\/em> Je to na bode.<\/p>","protected":false},"excerpt":{"rendered":"<p>Nau\u010dte sa, \u010do znamen\u00e1 magnetick\u00fd tok, jeho vzorec, jednotky, meracie met\u00f3dy a \u00faloha v elektroin\u017einierstve a magnetick\u00fdch materi\u00e1loch.<\/p>","protected":false},"author":1,"featured_media":2065,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2066","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/nbaem.com\/wp-content\/uploads\/2025\/09\/What_is_meant_by_magnetic_flux_yg57zxIFM.webp","_links":{"self":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/2066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/comments?post=2066"}],"version-history":[{"count":1,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/2066\/revisions"}],"predecessor-version":[{"id":2079,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/posts\/2066\/revisions\/2079"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/media\/2065"}],"wp:attachment":[{"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/media?parent=2066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/categories?post=2066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/nbaem.com\/sk\/wp-json\/wp\/v2\/tags?post=2066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}