The electrical conductivity of the material of a conductor of length 3 m , area of cross section $0.

Question

The electrical conductivity of the material of a conductor of length 3 m , area of cross section $0.02 \mathrm{~mm}^2$ having a resistance of $2 \Omega$ is

Professor PC Thomas Classes · Answer

$\sigma = \frac{l}{RA} = \frac{3}{2 	imes 0.02 	imes 10^{-6}}$.