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# Why induced emf is called motional emf?

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## Explanation:The emf which is induced by motion relative to a magnetic field is called a motional emf. Devices that work on motional emf are based on the generation of emf due to a moving conductor within a stationary magnetic fieldThis is represented by the equation Motional $emf=LvB$, where $L$= length of the object, $v$=speed of the object. $B$= strength of the magnetic fieldHence, motional emf is the emf that is induced by the motion of any object which is why an induced emf is called motional emf.

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