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Static magnetic field question HELP! 
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#1
Apr1011, 02:52 AM

P: 7

A static magnetic field in a homogeneous, linear, medium with permeability μ_{0} is given in cartesian coordinates by:
B(x, y, z) = B_{0} tanh (x/L) z where L is a constant. a) Sketch Bz as a function of x/L. b) What current density, j(x,y,z) produced this magnetic field? c) Sketch any nonzero components of j as a function of x/L. I'm not sure how to even start this question, let alone completing it. Could you please provide a detailed (Step by step) solution, which would help me learn? Thanks 


#2
Apr1011, 02:58 PM

HW Helper
P: 2,323

No, we can't give you stepbystep solutions, especially not since you haven't posted any relevant equations or any attempt at a solution.
What does B0 tanh (x/L) z mean? Is the z supposed to be a z unit vector? Do you know what the tanh function looks like? (If not, see http://en.wikipedia.org/wiki/File:Sinh_cosh_tanh.svg). 


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