Question

two wire have their length , diameter and specific resistance in the ratio 1:2 if the resistance of 1 wire is 10 ohm find the resistance of the second wire​

Answer 1

R = ρL/A

R₁/R₂ = ρ₁L₁A₂/ρ₂L₂A₁

10/R₂ = 1(1)4 / 2(2)(1)

10/R₂ = 1

R₂ = 10 Ω