B Why does an iron core increase magnetism?

Why does an iron core increase magnetism? Apologies if this more advanced than high school.

EDIT: Disregard, found article on magnetic reluctance.
 

sophiecentaur

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Don't hesitate to comeback when that article stimulates a question. Magnetism is one of those very confusing topics.
 

davenn

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Why does an iron core increase magnetism? Apologies if this more advanced than high school.

EDIT: Disregard, found article on magnetic reluctance.
.

so what did you discover ?
 

lekh2003

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EDIT: Disregard, found article on magnetic reluctance.
It would be very nice if you could share the article, maybe we can make sure it's the right article.
 
Just wikipedia https://en.wikipedia.org/wiki/Magnetic_reluctance. Basically I realised that magnetic flux depends on the medium that it's present in. Air isn't very good at 'conducting' flux, iron is.
There was another picture of an atomic sheep floating around the internet, but I can't find it anymore.
 
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