Ta yaya thermometer ke aiki?
Duk yana farawa da firikwensin. Sabanin ma'aunin zafi da sanyio mai cika ruwa da ma'aunin zafin jiki bi-metal, ma'aunin zafin jiki na dijital yana buƙatar firikwensin. Waɗannan na'urori masu auna firikwensin duk suna samar da ko dai irin ƙarfin lantarki, na yanzu, ko resis ...