A solid conductor of circular cross section. If the radius a = 1 mm, the conductor axis lies on the z axis, and the total current in the a direction is 20 A, find: (a) Ho at r= 0.5mm; (b) Bo at r= 0.8 mm; (c) the total magnetic flux per unit length inside the conductor; (d) the total flux for r < 0.5 mm; (e) the total magnetic flux outside the conductor.? 0.8 0.5 I=20A
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