Figure P30.31 is a cross-sectional view of a coaxial
Chapter 30, Problem 31(choose chapter or problem)
Figure P30.31 is a cross-sectional view of a coaxial cable. The center conductor is surrounded by a rubber layer, an outer conductor, and another rubber layer. In a particular application, the current in the inner conductor is I 1 5 1.00 A out of the page and the current in the outer conductor is I 2 5 3.00 A into the page. Assuming the distance d 5 1.00 mm, determine the magnitude and direction of the magnetic field at (a) point a and (b) point b.
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