Galvanometer EDM

Babban hadafin Galvanommeter, ya dace da dakin gwaje-gwaje na makaranta don auna ƙananan ƙarfin lantarki da bambancin ƙarfin lantarki. Ana iya amfani dashi azaman mai ganowa a halin yanzu a cikin gwajin auna ma'aunin gada, filin thermoelectricity, shigar da lantarki, da tasirin haske na yanzu.–Tare da kariya ta silikon diode akan kayan mitar, kyauta daga lalacewar obalodi–Cikakkiyar sikelin daidai?