[br]\begin{align*}[br]V[\textrm{V}] = I[\textrm{A}]R[\Omega] \\ [br]\displaystyle\frac{V}{I}\frac{[\textrm{V}]}{[\textrm{A}]} = \displaystyle{R}[\Omega] \\ [br]\displaystyle\frac{V}{I}\frac{[\textrm{V}]}{[\textrm{mA}]} = \displaystyle{R}[\textrm{k}\Omega] [br]\end{align*}[br]
[br]\begin{align*}[br]V[\textrm{V}] = I[\textrm{A}]R[\Omega] \\ [br]\displaystyle\frac{V}{I}\frac{[\textrm{V}]}{[\textrm{A}]} = \displaystyle{R}[\Omega] \\ [br]\displaystyle\frac{V}{I}\frac{[\textrm{V}]}{[\textrm{mA}]} = \displaystyle{R}[\textrm{k}\Omega] [br]\end{align*}[br]