Definition:Electromotive Force/Unit

Definition
The SI unit of electromotive force is the volt $\mathrm V$:
 * $1 \ \mathrm V = 1 \ \mathrm J \ \mathrm C^{-1}$

that is, $1$ joule per coulomb.

In the CGS unrationalised electromagnetic system, the base unit of electromotive force is the abvolt $\mathrm {abV}$.

In the CGS unrationalised electrostatic system, the base unit of electromotive force is the statvolt $\mathrm {statV}$.