key term - EMF

Definition

EMF stands for electromotive force, and it refers to the voltage or potential difference generated by a source such as a battery or generator. It represents the work done per unit charge when moving from one point to another within an electric circuit.

Related terms

Voltage: Also known as electric potential difference, it is the measure of potential energy per unit charge between two points in an electric circuit.

Internal Resistance: The inherent resistance within a source (such as a battery) that reduces its terminal voltage under load.

Faraday's Law of Electromagnetic Induction: States that changing magnetic fields induce an electromotive force (EMF) and thus generate currents.