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Simple Nature - Light and Matter

Simple Nature - Light and Matter

Simple Nature - Light and Matter

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Discussion QuestionsA Figure g/1 shows a wire with a circular Ampèrian surface drawnaround its waist; in this situation, Ampère’s law can be verified easilybased on the equation for the field of a wire. In panel 2, a second wire hasbeen added. Explain why it’s plausible that Ampère’s law still holds.B Figure h is like figure g, but now the second wire is perpendicularto the first, <strong>and</strong> lies in the plane of, <strong>and</strong> outside of, the Ampèrian surface.Carry out a similar analysis.C This discussion question is similar to questions A <strong>and</strong> B, but now theAmpèrian surface has been moved off center.DEThe left-h<strong>and</strong> wire has been nudged over a little. Analyze as before.You know what to do.g / Discussion question A.h / Discussion question B.i / Discussion question C.j / Discussion question D.k / Discussion question E.Section 11.3 Magnetic Fields by Ampère’s Law 677

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