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There is a long cylinder magnet with inner radius of R1 outher radius of R2 length...

There is a long cylinder magnet with inner radius of R1 outher radius of R2 length of L and magnetization of M=MoZ for R1<rR2
Calculate B and H everywhere
Claculate bound surface
Calculate the magnetic vector potential everywhere
Calculate B again along z axis by assuming the cylindircal magnet is short
What is the electrostatic equivalent of this structure

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