Definition

Electromotive Force (EMF) is a concept in physics related to electrical circuits and the potential difference that drives the flow of electric current. Despite its name, EMF is not a force in the mechanical sense but rather an electrical potential difference or voltage. It represents the energy per unit charge supplied by a source, such as a battery or a generator, to move electric charge through a circuit. Strong electromagnetic interference (EMI)  often confused with EMF due to the similar terminology, can disrupt sensor functioning and generate erroneous results.