Ihe ndetu na iji ihe nkwụnye ọkụ nke mbụ, volta n'ọnụ nke ọkụ ọkụ n'ozuzu na-ezo aka na voltaji mmepụta ihe na-emeghe, ya bụ, voltaji mgbe enweghị ibu na voltaji mgbe ọ na-enweghị mmepụta ugbu a, ya mere ọ nwere ike. ghọtakwara na voltaji a bụ oke oke...
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