In electromagnetism and electronics, electromotive force (emf, or EMF) or electromotance, denoted E {\displaystyle {\mathcal {E}}} , is an energy transfer to an electric circuit per unit of electric charge, measured in volts. Devices called electrical transducers provide an emf by converting other forms of energy into electrical energy.
In electromagnetism and electronics, electromotive force (emf, or EMF) or electromotance, denoted E {\displaystyle {\mathcal {E}}} , is an energy transfer to an electric circuit per unit of electric charge, measured in volts. Devices called electrical transducers provide an emf by converting other forms of energy into electrical energy.
Source: Wikipedia "Electromotive force" · CC BY-SA 4.0
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