1 Dị ka a na-eme ka a na-eme ka a na-edebe ihe na-eme ihe na-apụta ike na-eme ka ihe dị iche iche electromagnetiki na-emepụta site na eriri, na-egbochi ndagide eletriki na-emetụta ngwaọrụ elektrọnik ma ọ bụ sistemụ.
2. Ihe na-egbochi ihe na-efegharị electrimagnetik: ihe na-eduzi nke mpempe akwụkwọ nwere ike ịmịcha ma ọ bụ gosipụta ebili mmiri electomagnetitic, na-egbochi imegharị ya na mpụga ma na-eguzosi ike n'ezi ihe nke akara.
3. Mee ka nkpuchi mgbatị ahụ dị elu:
4. Nchedo nchekwa: mgbe eriri ahụ mebiri emebi ma ọ bụ mkpụmkpụ - clottade na ala nwere ike duzie ngwa ngwa ruo n'ala, si otú a na-arụ ọrụ nchebe nchebe.
5. Nkwado Nrụpụta: N'akụkụ ụfọdụ, mpempe ọla kọpa nwekwara ike inye nkwado maka ijikọ aka, ịkwalite ike ha.
