https://padlet.com/ps_slavica/w3du98hkrse3 Made with charisma en-us 2018-04-25 09:40:25 UTC 2025-10-05 00:52:56 UTC hello@padlet.com ps_slavica https://padlet.com/ps_slavica/w3du98hkrse3/wish/255148898 Žicom teče struja od 2A. Koliko elektrona prođem žicom u 1 minuti?
Rj. 120C, 7.5exp20]]> 2018-04-25 09:43:02 UTC https://padlet.com/ps_slavica/w3du98hkrse3/wish/255148898 ps_slavica https://padlet.com/ps_slavica/w3du98hkrse3/wish/255149165 U Bohrovu modelu vodikova atoma elektron najnižeg energetskog nivoa se giba brzinom 2.19exp6 m/s po putanji polumjera 5.29exp-11m. Odredi jakost struje koju taj elektron proizvodi.
Rj. 1.05mA]]> 2018-04-25 09:44:13 UTC https://padlet.com/ps_slavica/w3du98hkrse3/wish/255149165 ps_slavica https://padlet.com/ps_slavica/w3du98hkrse3/wish/255149713 Izračunaj otpor bakrenog vodiča duljine 10m i promjera 2.5mm. Električna otpornost bakra je 1.72exp-8 Ω m.
Rj. 36mΩ]]> 2018-04-25 09:47:01 UTC https://padlet.com/ps_slavica/w3du98hkrse3/wish/255149713 ps_slavica https://padlet.com/ps_slavica/w3du98hkrse3/wish/255150146 Kolika mora biti duljina srebrne žice da bi imala isti otpor kao i olovna žica duljine 13cm? Obje su žice istog promjera. Električna otpornost olova  2,2 × 10⁻⁷ Ω m, a srebra 1,59 × 10⁻⁸ Ω m.
Rj. 180cm]]> 2018-04-25 09:49:19 UTC https://padlet.com/ps_slavica/w3du98hkrse3/wish/255150146 ps_slavica https://padlet.com/ps_slavica/w3du98hkrse3/wish/255152455 2018-04-25 09:59:10 UTC https://padlet.com/ps_slavica/w3du98hkrse3/wish/255152455 ps_slavica https://padlet.com/ps_slavica/w3du98hkrse3/wish/255952217 Za koliko minuta 3 exp 21 elektrona prođe vodičem ako mjerimo struju od 3 ampera?]]> 2018-04-27 10:38:02 UTC https://padlet.com/ps_slavica/w3du98hkrse3/wish/255952217