Physics

Problem

The electrical conductivity of aluminium at room temperature is

3.5\times10^{7}\,\text{S m}^{-1}

. If its free–electron number density is

6.0\times10^{28}\,\text{m}^{-3}

, calculate the mobility of electrons in aluminium. \newline(Use

e=1.6\times10^{-19}\,\text{C}