Question
6. A brass ring with triangular cross section encircles a very long straight wire concentrically as in Figure 7.2. If the wire carries a current I, show that the total number of magnetic flux lines in the ring is 2mb [b-ana+b 4 = Calculate if a = 30 cm, b = 10 cm, h = 5 cm, and I = 10 A. Brass ring Figure 2.- Cross sec
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