emf
/ˌiː ɛm ˈɛf/
noun
- Electromotive force; the electrical force that makes current flow in a circuit, measured in volts.
- Engineers measured the emf across the terminals to check the generator's output.
- The battery provides an emf of 1.5 volts to power the flashlight.
- A solar panel converts light into an emf that can charge a phone.