Yanu mbëj, ag jagle gu dàttu la ci wàll-wàllaani ab ne-ne, mooy tax seenug man a digaale ci ndimbalu tooli mbëjbijjaakon yi. Doole jiy judd ci googu digaale mooy sabab ag yëngu ci biir ne-ne bi, muy ab dawaanu mbëj. Bennaanu natt bu benn yan mooy Coulomb. Yan bi gën a ndaw bees man a natt mooy bi ab mbëjfepp di yanu, ñu koy faral di binde e = -1,602 10-19 c. Yanu mbëj am mbir mees di janeer la, du lees man gis ak bët, dafa di aw tur wees jox genn feeñte gi ngir man a faramface wenn xeetu doxiin wi, di njeexiitam. Yanu mbëj man naa am ñaari xar-kanam yu wuute, di yees jàppee yu "dekkarle" ; benn bi di bu baax (+) beneen bi di bu bon (-). Ñaari yan yu wuute (bu baax ak bu bon) dañuy bijjante, ñaar yu bokk (ñaar yu baax walla ñaar yu bon) dañuy bëmëxante. Yan yu bon yi lañuy faral a tudde ay mbëjfepp, yu baax yi di ay feppsaal ndax ñooy yiy nekk ci biir saalu xarefulwoon bi te kemu seen yan yam ak yu mbëjfepp yi te dekkarloo.