sciencetoolbar 1 Posted August 17, 2017 Report Share Posted August 17, 2017 Un mic generator electric realizat dintr-un fidget spinner si un singur magnet disc (magnetul este fix nu se misca ) si o bobina fara miez https://www.youtube.com/watch?v=dc5Kiq-984Q Al doilea foloseste magneti in miscare : https://www.youtube.com/watch?v=Qc1fk5bMAV4 Quote Link to post Share on other sites
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