Galvanometer EDM

General nzube Galvanommeter, kwesịrị ekwesị maka laabu ụlọ akwụkwọ iji tụọ obere eletrik na ọkụ eletrik dị iche. Enwere ike iji ya dị ka onye nchọpụta ugbu a na nnwale nke ntụgharị mmiri, mpaghara thermoelectricity, electromagnetic induction, na mmetụta dị ugbu a.-Nke nchebe circuit nke sịlịkọn diode na mita ekike, free si bufee mmebi-Nzuo zuru oke nke?