1. Sep 25, 2005 #1

   gaganpreetsingh

   

   Suppose i have a wooden ring and a time varying magnetic field is passed through it. Then will there be induced emf.

    

   gaganpreetsingh, Sep 25, 2005
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3. Sep 25, 2005 #2

   Doc Al

   

   Staff: Mentor

   Sure. The changing magnetic field creates an induced electric field.

    

   Doc Al, Sep 25, 2005
4. Sep 25, 2005 #3

   Tide

   

   Science Advisor

   Homework Helper

   The induced EMF would be present even in a vacuum! :)

    

   Tide, Sep 25, 2005
5. Sep 26, 2005 #4

   gaganpreetsingh

   

   That's what written in the book. The ans is yes. but i am not able to appreciate the fact. WHY?

    

   gaganpreetsingh, Sep 26, 2005
6. Sep 26, 2005 #5

   Doc Al

   

   Staff: Mentor

   As I said before, it's the changing magnetic field that induces an electric field. (To understand that better, explore Maxwell's equations.) Perhaps you are thinking of an induced current: that will require a conducting loop. But the electric field is there, conducting loop or not.

    

   Doc Al, Sep 26, 2005

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