Hitamo Urwego rukwiye rwa Magneti
Iyo urangije kumenya ibintu bikwiranye na magneti yawe cyangwa magnetiki, intambwe ikurikiraho ni ukumenya urwego rwihariye rwa magneti kubyo usaba. Kuri Neodymium Iron Boron, Samarium Cobalt, nibikoresho bya ferrite (ceramic), g ...
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