Nkọwa nke Ike Magnetik
Nkọwa Ike Magnetik Ike magnetik bụ otu n'ime ike ebumpụta ụwa kacha metụta ndụ kwa ụbọchị, mana ọ na-adịkarị ka "ihe omimi" n'ihi na ọ na-arụ ọrụ na-enweghị kọntaktị kpọmkwem. Anyị nwere ike ịhụ ya mgbe magnet dọtara ntu, agịga kompas na-atụ aka n'ebe ugwu, ma ọ bụ mgbe moto eletrik na-agbanwe ike eletriki ka ọ bụrụ mmegharị. N'azụ ihe ndị a, ike magnetik nwere nkọwa... GỤKWUO