Question

On what factors does the resistance of a conductor depend ?

Answer 1

The resistance ( R) of a conductor depends upon :
(i) its length (l) where `R prop l`.
(ii) its cross-sectional area (A) where `R prop 1//A`.
(iii) resistivity `(rho)` of its material where `R prop rho`. Thus, `R = rho l//A`.