Question

Electrical resistivity of silver is 1.60 * 10^-6 what will be the resistance of a silver wire of length 10m and cross-sectional area 2*10^-3m²

Answer 1

Resistance=resistivity×length/area of cross section

So, R= 1.60×10^-6×10/2×10^-3

R=8× 10^-3