Physics

Problem

Which of the following is the correct SI unit of thermal conductivity

k

? a)

\text{W m}\,\text{K}^{-1}

\text{W m}^{-1}\,\text{K}

\text{W m}^{-1}\,\text{K}^{-1}

\text{J m}^{-1}\,\text{K}^{-1}