● Usoro BCI Variable Rheostat na-emerụ ahụ na ọla kọpa ma ọ bụ waya chromium-alloy dị ka ihe na-eguzogide, ma e wezụga n'elu kọntaktị slide, a na-ekpuchi akụkụ ahụ dum na okpomọkụ dị elu, resin na-adịghị ọkụ. usoro okpomọkụ dị elu. Mgbe ahụ, a na-etinye ihe ngbanwe na-atụgharị na-atụgharị n'etiti, nke na-agbanye n'akụkụ ihe mgbochi ahụ ma na-agbanwe nguzogide na uru achọrọ.
● A haziri usoro BCI nke rheostats ma rụpụta ya ka ọ na-ejigide ntụkwasị obi dị elu na ịrụ ọrụ nke ọma n'ime ogologo oge eji. A na-ewu rheostats ndị a site na aru seramiiki nwere winding alloy na-eguzogide na mkpuchi enamel vitreous (ma ọ bụ mkpuchi seramiiki silicone dabere na ihe nlereanya). BCI rheostats nwere ogwe aka kọntaktị mmiri igwe, ihe nrụnye graphite metal yana ọnụ ụzọ mkpuchi mkpuchi.
● Otu nkeji nwere ọtụtụ ụkpụrụ nguzogide ikuku dị.
● Ngwa ngwa seramiiki dị iche iche na mkpịsị aka, rheostats emere ka ọ dị.