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# What are the dimensions of electrical conductivity ?

$\begin{array}{1 1} M^{-1}L^{-3}T^3A^2 \\ M^{-1}L^{-4}T^3A^3 \\ M^{-5}L^{-3}T^3A^2 \\ M^{-1}L^{-5}T^3A^7 \end{array}$

$M^{-1}L^{-3}T^3A^2$