Magnetic permeability | Discoveries and projects | Physics | Khan Academy

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What happens to the magnetic field of a magnet in the presence of a another material which is attracted to it. Why does this happen? Created by Brit Cruise.

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Good luck removing the fillings from the magnet.

chayanka_kaushik
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Without using single word you clear all doubts

byvishnusir
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All I need to know is if there is a particular value for the magnetic permeability of Fe3O4...

TranscendentalMindX
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What happen, when I take second, non-fielded magnet to this shield magnet?

johnnowak
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So what's the implication of all of this 😂, can someone enlighten me?

geetugupta
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I could not follow what he wanted to demonstrate and

manila