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What are eddy currents ? Mention two app...

What are eddy currents ? Mention two applications of eddy currents.

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When a bulk piece of conductor is subjected to a changing magnetic flux, the induced current, developed in a spiral form is called eddy current.
Any two uses :
Any two uses :
(i) Magnetic brakes in trains
(ii) Electromagnetic damping
(iii) Induction furnaces
(vi) Electric power meter
(v) Induction therapy
(vi) To find the melting point of precious metals.
(vii) In speedometer of vehicles.
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