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  • (a) How are eddy currents generated in a conductor which is subjected to a magnetic field? (b) Write two examples of their useful applications. (c) How can the disadvantages of eddy currents be minimized?  

(a) How are eddy currents generated in a conductor which is subjected to a magnetic field?

(b) Write two examples of their useful applications.

(c) How can the disadvantages of eddy currents be minimized?

 

 

 

Answers (1)

(a) When magnetic flux linked with a metallic conductor is changing with time a current is induced inside the conductor. This is known as eddy current.

(b) Applications of eddy current are ;

(i) Electromagnetic braking ;

(ii) Levitation;

(c) The disadvantages of the eddy current can be reduced by using laminations of metal to make a metal core.

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Safeer PP

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