Označeno: fizika 9

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Električni tok

Viri: https://www.youtube.com/watch?v=_ttqrec6oIo&feature=youtu.be https://eucbeniki.sio.si/fizika9/190/index8.htmlhttps://www.youtube.com/watch?v=owbkvDW7wAQhttps://www.ucimte.com/?q=ucbenik/1000099