File:15. Омов закон.ogv

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Македонски: Во опитот се демонстрира зависноста на јачината на струјата во колото од димензиите на електричниот спроводник. Струјното коло е затворено преку млазот течност (раствор од сол во вода). Со зголемување на должината на млазот, расте неговиот електричен отпор. Поради тоа на амперметарот се забележува како се намалува јачината на струјата. Исто така, со намалување на протокот се намалува напречниот пресек на млазот. Поради тоа се зголемува отпорот на млазот и се намалува јачината на струјата во колото. Подготвено, изведено и објаснето од проф. д-р Оливер Зајков. Институт за физика на Природно-математичкиот факултет во Скопје.
English: The experiment shows how the current in the circuit depends on the dimensions of the jet. The circuit is closed through the liquid jet (solution of water and salt). By increasing the length of the jet, electric resistance increases, which leads to lower current. By decreasing the flow, the cross-section of the jet decreases, which leads to increasing of the electric resistance and decrease of the current. Prepared, performed and explained by prof. d-r Oliver Zajkov. Institute of Physics, Faculty of Natural Sciences and Mathematics, Ss. Cyril and Methodius University of Skopje.
Français : Expérience sur la dépendance entre le courant électrique et la dimension du jet d'eau.
Le circuit électrique est fermé par la solution aqueuse (eau et sel). En augmentant la longueur du jet d'eau, la résistance électrique augmente, ce qui diminue le courant. En diminuant le jet, la section diminue, ce qui augmente la résistance et diminue le courant.
Expérience réalisée et expliquée par le professeur Oliver Zajkov de l'Institut de physique de l'université Saints-Cyrille-et-Méthode de Skopje de Macédoine.
Română: Experiment ce ilustrează legea lui Ohm efectuat de Oliver Zajkov, profesor la Institutul de Fizică al Universității Sfinții Chiril și Metodiu din Skopje, Macedonia.
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Author Andrejdam

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21 September 2015

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