The figure below is a cross-sectional view of a coaxial cable. The center conduc

Question

The figure below 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 I1 = 1.14 A out of the page and the current in the outer conductor is I2 = 3.20 A into the page. Assuming the distance d = 1.00 mm, answer the following. Determine the magnitude and direction of the magnetic field at point a. magnitude mu T direction Determine the magnitude and direction of the magnetic field at point b. magnitude mu t direction

Explanation / Answer

a)B=0I1/2r=228T

direction=upward

b)B=0(I2-I1)/2r=412T

direction=dowmward

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