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Introductory Physics Homework Help
Solving Magnetic Field Problems: Cylinder of Permanent Magnetization
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[QUOTE="Dassinia, post: 4535503, member: 487299"] Hello, I have an exam Tuesday and I'm solving the problems of previous years : [h2]Homework Statement [/h2] Consider a disk of radius a and length h of permanent magnetization M = Moz parallel to h. a/ what are the units of Mo ? b/Find the magnetic current density J[SUB]b[/SUB] inside the cylinder and the curface current density K[SUB]b[/SUB] on the three surfaces. c/ Write boundary conditions of B and H for the three surfaces. d/ Plot field lines for B and H everywhere. [h2]Homework Equations[/h2] [B]K[SUB]b[/SUB][/B]=[B]M[/B]x[B]n^[/B] [B]J[SUB]b[/SUB][/B]=[B]∇[/B]x[B]M[/B] [h2]The Attempt at a Solution[/h2] a/ A/m b. Inside the cylinder, the magnetization is constant so [B]J[SUB]b[/SUB][/B]=[B]∇[/B]x[B]M[/B] =0 I don't get what they mean by the three surfaces, inside the cylinder, outside and ? Thanks ! [/QUOTE]
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Solving Magnetic Field Problems: Cylinder of Permanent Magnetization
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