unit:OHM
The $\textit{ohm}$ is the SI derived unit of electrical resistance, named after German physicist Georg Simon Ohm. It is defined as: $$\Omega \equiv\ \frac{\text{V}}{\text{A}}\ \equiv\ \frac{\text{volt}}{\text{amp}}\ \equiv\ \frac{\text{W}}{\text {A}^{2}}\ \equiv\ \frac{\text{watt}}{\text{amp}^{2}}\ \equiv\ \frac{\text{H}}{\text {s}}\ \equiv\ \frac{\text{henry}}{\text{second}}$$