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Q7.
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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