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Answer by wbeaty for Repelling a weak permanent magnet with an electromagnet
The critical concept here is magnetic saturation of your ferromagnet material.In the ideal case, if your weak PM magnet is saturated (completely magnetized,) then the electromagnet can only repel, not...
View ArticleAnswer by user56903 for Repelling a weak permanent magnet with an electromagnet
Take it to the limits to examine the problem. Imagine that your weak permanent magnet is really incredibly weak, weaker than the Earth's field, while it's mass is in the kg. When the electromagnet is...
View ArticleRepelling a weak permanent magnet with an electromagnet
I have a question about magnetic repulsion. Suppose I have a permanent magnet (axially magnetized) placed on top of the iron core of an electromagnet. I want to switch on the elctromagnet to repel the...
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