Ceramic Magnets

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Uploaded by on Jan 5, 2012

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Science & Technology

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  • At 4:27 you are talking about the rate of field intensity drop off. Biot-Savart Law says the drop for electro-magnets is an inverse square of the distance. The same is true of gravity. So I would be interested in seeing a demonstration of what you are saying regarding ferrite extending farther and dropping off slowly because I think you might mean something else, which I do not understand. I think neodynium extend farther, especially if you measure from the centre.

  • Are you a teacher?

  • I love magnets and your videos!

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