problem29_70

problem29_70 - 29.70: ˆ B = B0 i for y < 0 and B =...

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Unformatted text preview: 29.70: ˆ B = B0 i for y < 0 and B = 0 for y > 0. ∫ B ⋅ dl = 0 (no currents in the region). Using the figure, let ∫ abcde B ⋅ dl = Bab L − Bcd L = 0, but Bcd = 0. Bab L = 0, but Bab ≠ 0. This is a contradiction and violates Ampere’s Law. See the figure on the next page. ...
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