E E 325 - HW #5 (Chp. 7)

# E E 325 - HW #5 (Chp. 7) - Homework#5 Chapter 7 1 Find H at...

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Homework #5, Chapter 7 1. Find H at P (2,3,5) in cartesian coordinates if there is an infinitely long current filament passing through the origin and point C . The current of 50 A is di- rected from the origin to C , where the location of C is: (a) C (0,0,1); (b) C (0,1,0). 2. Given points A (1,2,4), B (-2,-1,3), and C (3,1,-2), let a differential current element with I = 6A and | d L | = 10 -4 m be located at A . The direction of d L is from A to B . Find d H at C . 3. The regions, 0 z 0.1 m and 0.3 z 0.4 m, are conducting slabs carrying uniform current densities of 10 A/m 2 in opposite directions, as shown in Fig. 8.22. Find H x at z = -0.04, 0.06, 0.26, 0.36, and 0.46 m. 4. If F = x 2 y a x - 2 z a y + (3 z 2 + xy ) a z , find  [ (  F)] . 5. Let H = (2 /  )[1 (10 7 3 /6)] a 8 a z A / m for 0 0.01 m, and H = (16 / 3  ) a 8 a z A/ m for 0.01 m.
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