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Mathematics 22 Online
OpenStudy (oneowone):

Force between two poles.

OpenStudy (oneowone):

@experimentX Manufacture of magnets have used an easier alternative in measure the forces, the strength of a magnets pole.

OpenStudy (oneowone):

That is by placing a magnet on a steel plate the is x10 times larger than the dimensions of the magnet, so that the magnetic flux lines of the magnet can be fully exposed to the iron plate like so: |dw:1370856870196:dw|

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