Induced electromotive force (emf) refers to the voltage generated in a circuit due to a change in the magnetic environment around that circuit. This phenomenon occurs when there is a variation in magnetic flux through a loop or coil of wire, leading to an electric current if the circuit is closed. Induced emf is a fundamental concept that helps explain how electrical energy can be generated and transmitted, playing a crucial role in both self-induction and mutual induction processes.
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