| 圆形载流线圈沿一直径折成直角可看作磁偶极子 |
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| 引用本文： | 邓卫娟.圆形载流线圈沿一直径折成直角可看作磁偶极子[J].河池师范高等专科学校学报,2007,27(5):11-13. |
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| 作者姓名： | 邓卫娟 |
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| 作者单位： | 河池学院物理与电子工程系,广西宜州546300 |
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| 摘 要： | 从磁偶极子的特点出发，用毕奥一萨伐尔定律、安培力公式和力矩的定义，推导出用磁矩表示的圆形载流线圈沿一直径折成直角的远场及其在均匀磁场中所受的磁力和磁力矩，指出此非平面栽流线圈可看作磁偶极子．
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| 关 键 词： | 非平面载流线圈 磁偶极子 磁矩 远场 磁力 磁力矩 |
| 文章编号： | 1672-9021（2007）05-0011-03 |
| 收稿时间： | 2007-09-01 |
The Right Angle that Ringed Current is Folded along Diameter Can Be Regarded as Magnetic Dipole |
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| Authors: | DENG Wei-juan |
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| Abstract: | By using the Bolt - Savart law, Ampere force formula and the definition of moment of force, the paper deduces, on the basis of the characteristics of magnetic dipole, the far field which is made by folding the ringed current showed in magnetic moment along the diameter in right angle, the magnetie force and its moment which the far field stands in the uniform magnetic field. It also points out that such a nonplanar current loop can be regarded as magnetic dipole. |
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| Keywords: | nonplanar current loop magnetic dipole magnetic moment far field magnetic force moment of magnetic force |
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