Physics

Physics

Problem

Calculate the resistance of an aluminium wire 2.0 m long and 1.0 mm in diameter. (Resistivity of aluminium ρ=2.7×10−8 Ω m\rho = 2.7\times10^{-8}\,\Omega\,\text{m}) a) 0.7 Ω0.7\,\Omega b) 0.07 Ω0.07\,\Omega c) 0.017 Ω0.017\,\Omega d) 7 Ω7\,\Omega

Browse the problem library