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Osnove Elektrotehnike 1 Srednja Skola Pdf May 2026

Osnove elektrotehnike 1 zbirka zadataka pdf , Omov zakon vježbe srednja škola , Elektrotehnika 1 skripta . Ovaj dokument je generisan kao tekstualna zamjena za PDF. Kopirajte ga u Word, dodajte naslovnu stranu i sačuvajte kao PDF za ličnu upotrebu.

[ \frac1R_u = \frac1R_1 + \frac1R_2 + \frac1R_3 + \dots ] Osnove Elektrotehnike 1 Srednja Skola Pdf

( P = U^2 / R = 220^2 / 20 = 48400 / 20 = 2420 , \textW = 2.42 , \textkW ) Zadatak 3 (Redna veza) Dva otpornika od 10Ω i 20Ω vezana su redno na napon 30V. Izračunaj ukupni otpor, struju i pad napona na svakom. Osnove elektrotehnike 1 zbirka zadataka pdf , Omov

[ R_u = \fracR_1 \cdot R_2R_1 + R_2 ]

[ R_u = R_1 + R_2 + R_3 + \dots ]

Uvod Osnove elektrotehnike 1 predmet je koji se izvodi u prvom razredu srednjih stručnih škola (tehničke, elektrotehničke, mašinske) te u gimnazijama kao izborni predmet. Cilj ovog predmeta je da učenike upozna sa fundamentalnim zakonima koji upravljaju električnim pojavama. Bez savladavanja ovog gradiva, nemoguće je razumjeti naprednije koncepte kao što su naizmjenične struje, elektronika ili energetika. [ \frac1R_u = \frac1R_1 + \frac1R_2 + \frac1R_3

[ \sum U = 0 ] To znači: ( U_izvora = U_potrošača ) 8.1. Magnetsko polje provodnika Kada struja teče kroz provodnik, oko njega se stvara magnetsko polje (desno pravilo). Ovo je princip rada elektromotora. 8.2. Elektromagnet Provodnik namotan u zavojnicu (kalem) sa gvozdenom jezgrom postaje jak elektromagnet. Primjena: dizalice, releji, zvona. 8.3. Elektromagnetska indukcija (FARADEJEV ZAKON) Promjena magnetskog polja kroz zavojnicu indukuje (stvara) napon u njoj. Ovo je princip rada generatora i transformatora. 9. Tipični zadaci za vježbu (sa rješenjima) Zadatak 1 (Omov zakon) Kolika struja teče kroz otpornik od 47Ω priključen na napon od 9V?

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