A simple experiment showing the determination of the magnetic dipole moment of a permanent disc magnet

D Amrani

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A simple experiment showing the determination of the magnetic dipole moment of a permanent disc magnet

机译：一个简单的实验，显示确定永久性磁盘磁铁的磁偶极矩

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We propose a simple experiment to estimate the magnetic dipole moment of a neodymium disc magnet. The experiment employs a precision digital balance and a 1 m ruler to measure the force between two magnets. The magnetic dipole moment is determined from the slope of the magnetic force as a function of the inverse fourth power of the distance. The presented activity can be performed by teachers and students at college or university level to enhance their knowledge of the physics of magnetism.

机译：我们提出了一个简单的实验来估算钕磁盘磁铁的磁偶极矩。实验使用了精密的数字天平和一个1 m的直尺来测量两个磁体之间的力。磁偶极矩由磁力的斜率确定，该斜率是距离的倒数四次方的函数。所介绍的活动可以由大专院校的师生进行，以增强他们对磁性物理学的认识。

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《Physics Education》 |2015年第2期|共4页
作者
D Amrani;
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正文语种 eng
中图分类教学法;
关键词
simple; experiment; showing;

机译：简单;实验;展示;

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专利

1. A simple experiment showing the determination of the magnetic dipole moment of a permanent disc magnet [J] . D Amrani Physics Education . 2015,第2期

机译：一个简单的实验，显示确定永久性磁盘磁铁的磁偶极矩
2. Detailed discussion of a linear electric field frequency shift induced in confined gases by a magnetic field gradient: Implications for neutron electric-dipole-moment experiments [J] . Lamoreaux SK, Golub R Physical Review, A. Atomic, molecular, and optical physics . 2005,第3期

机译：磁场梯度在封闭气体中引起的线性电场频移的详细讨论：对中子电偶极矩实验的启示
3. Formation of a homogeneous magnetic field in spectrometer dipole magnet using permanent magnet [J] . Borisov V.D., Kashikhin V.S. IEEE Transactions on Magnetics . 1992,第1期

机译：使用永久磁铁在光谱仪偶极磁铁中形成均匀磁场
4. Torque Modeling of a Permanent Magnet Spherical Actuator based on Magnetic Dipole Moment Principle [C] . Chee Kian Lim, I-Ming Chen, Liang Yan, IEEE/ASME International Conference on Advanced Intelligent Mechatronics . 2008

机译：基于磁偶极矩原理的永磁球形执行器的扭矩建模
5. ELECTRIC FIELD EXPERIMENTS ON THE ALKALI ATOMS--DETERMINATION OF AN UPPERLIMIT TO THE ELECTRIC DIPOLE MOMENT OF THE ELECTRON. [D] . CARRICO, JOHN PAUL. 1966

机译：碱原子上的电场实验-电子的电偶极矩上限的确定。
6. First-principles determination of intergranular atomic arrangements and magnetic properties in rare-earth permanent magnets [O] . Yoshihiro Gohda 2021

机译：稀土永磁体中晶间原子布置和磁性的第一原理
7. Detailed discussion of a linear electric field frequency shift (important for next generation) electric dipole moment searches) induced in confined gases by a magnetic field gradient: Implications for electric dipole moment experiments (II) [O] . Barabanov, A. L., Golub, R., Lamoreaux, S. K. 2005

机译：详细讨论线性电场频移（对下一代很重要）电偶极矩搜索）磁场梯度引起的受限气体：对电偶极子的影响时刻实验（二）
8. Assessment of Alphamagnetic Spectrometer (AMS) Upper Experiment Structural Configuration Shielding Effectiveness Associated with Change from Cryo-Cooled Magnet to Permanent Magnet. [R] . Scully, R. 2012

机译：评估磁性光谱仪（ams）上部实验结构配置屏蔽效率与冷却磁铁到永磁体的变化相关。

A simple experiment showing the determination of the magnetic dipole moment of a permanent disc magnet

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