● Anakwere elu-edu alloy ihe (constantan, manganin, nickel chromium, wdg) mgbe pụrụ iche usoro ọgwụgwọ, iche iche shapes n'elu ahịa chọrọ.
● A na-eji ya eme ihe na sekit AC na DC dị ka ngwa eletrọnịkị, ngwa eletriki, ọkụ ọkụ, ọdịyo na ngwa ụlọ.
● Dị ka ngwa ngwa dị iche iche, aha ya bụ sample resistor, milliohm resistor, nchọpụta resistor, ugbu a sensing resistor, jumper eguzogide, wdg.
● Ọ bụ otu n'ime ihe ndị a na-ejikarị eletrọnịkị eme ihe na sekit eletrọnịkị.
● Nnukwu ngwugwu.