大学物理 ›› 2006, Vol. 25 ›› Issue (4): 60-60.
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张定
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摘要: 从普通物理电磁学角度出发,分别讨论了球状、椭球状、旋转抛物面状及双曲面状线圈旋转对称轴线上的磁场问题,最后得到了一个关于旋转二次曲面对称轴线上磁场的普适表达式.
关键词: 均匀磁场, 二次曲面, 旋转对称轴
Abstract: Basing on a problem in The Feynman Lectures (Vol. 2), it is proved that the magnetic flux density along the axis of the ellipsoid of revolution which has coil on its surface is a constant under the condition which Feynman provided. Then it turned out that this case is suitable for all the quadric surfaces of revolution. At last a general formula is obtained applicable to them all.
Key words: magnetic field, quadric surface of revolution, symmetrical axis of revolution
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张定. 旋转二次曲面线圈轴线上的磁场[J]. 大学物理, 2006, 25(4): 60-60.
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