Ndëgërlu gu mbëj ag jagle gu jëmm la guy tax nu man a natt bañ gi ab wommatukaay di bañ su ko dawaanu mbëj di jéem a jàll. Lànk googu dafa aju ci ne-ne bi ñu defare PENISwommatukaay bi, dijjaayam, tàngaayam, ak, su fekkee dawaan bu safaanula, baraayu dawaan bi. Genn ci njeexiitu jàllug dawaanu mbëj ci ab wommatukaay mooy yokkug tàngaayam, di liñuy wax njeexiitu Joule. Ndëgërlu gi ci gii yamale nga koy xamee: R = V I {\displaystyle R={\frac {V}{I}}} Tekki: R mooy Ndëgërlu gi nekk ci diggante ñaari cati wommatukaay bi, ohm[Ω] mooy bennaanu nattam. V mooy dend bi ne ci diggante ñaari cati wommatukaay bi , volt mooy bennaanu nattam. I mooy dawaan biy jàll ci wommatukaay bi, amper mooy bennaanu nattam. Ndëgërlu R gu ab buumu wommatukaay nii lañu koy xaymaa. R = ρ ⋅ l s = l γ ⋅ s {\displaystyle R=\rho \cdot {\frac {l}{s}}={\frac {l}{{\gamma }\cdot {s}}}} Tekki: L mooy guddaayu buum gi, meetar mooy bennaanu nattam.