m
=‪U‬‪I‬‪R‬‪strøm = ‬=9.0‪mA‬1.5‪V‬1.5‪V‬1.5‪V‬1.5‪V‬1.5‪V‬1.5‪V‬‪U‬‪spenning‬4.5‪V‬‪R‬‪motstand‬500‪Ω‬
‪Ohms lov‬