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what is motional emf and its applications? what is eddy currents and its applications?@@@/:::

what is   motional emf and its applications? what is eddy currents and its applications?@@@/:::

Grade:12th pass

1 Answers

Arun
25763 Points
2 years ago
Eddy Currents :
Eddy currents are the currents induced in the body of a conductor when the amount of magnetic   flux linked with it changes. The experimental concept was given by Focault and hence they are also named as Focault currents.
 

Applications of eddy currents

(i)    Induction furnace (heating effect of eddy current)

(ii)   Dead-beat galvanometer (electromagnetic damping)

(iii)  Electric brakes

(iv) Diathermy ( Strong 50 MHz A.C. passed through human body, also called deep heat treatment )

(v)  Induction motor

(vi) Car-speedometer

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