A uniform current density of 20 ampsm2 is flowing down a

A uniform current density of 2.0 Amps/m**2 is flowing down a cylindrical region of radius 3.0 meters.

a) Use Ampere's law to find the B field as a function of cylindrical radius r from the center of the cylinder.

b) At what velocity could an electron follow a circular path equal to r=1.5 meters in this region?

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A uniform current density of 20 ampsm2 is flowing down a : a uniform current density of 2.0 ampsm2 is flowing down a cylindrical region of radius 3.0 meters.a use amperes law to

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