利用智能手机定量研究亥姆赫兹线圈磁场分布

doi:10.14139/j.cnki.cn22-1228.2022.02.002

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摘要

亥姆霍兹线圈（Helmholtz Coils）在科学研究和工业领域有着广泛应用，研究其磁场分布是大学物理实验重要内容。文章利用智能手机内置磁力计（magnetometer）和免费物理实验移动应用程序（phyphox），定量测量载流亥姆霍兹线圈中心轴向、中心径向以及三维空间磁场分布情况，实验测量结果与理论计算值比较吻合，测量精度在可接受范围，证实了该方法的可行性。在传统大学物理实验中引入智能手机作为传感器，不仅可以降低实验成本，还可以激发学习兴趣，增强学生探究欲望。

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	佘枭雄
	黄刚
	刘熹微
	易伟松

关键词: 智能手机磁力计 phyphox 亥姆霍兹线圈

Abstract:

Helmholtz Coils are widely used in scientific research and industrial fields,and studying its magnetic field distribution is an important part of university physics experiments.The article uses the smartphone’s built- in magnetometer and physics experiment application (phyphox)to quantitatively measure the current-carrying Helmholtz coils’central axiscentral radial and three-dimensional magnetic field distribution.Comparison of experimental measurement results with theoretical calculations, which is consistent and the measurement accuracy is within the acceptable range,which confirms the feasibility of the method.The introduction of smar phones as sensors in traditional university physics experiments can not only reduce the cost of experiments,but also stimulate interest in learning and enhance students’desire to explore.

Key words: smartphone magnetometer phyphox Helmholtz coils

出版日期: 2022-04-25 发布日期: 2022-04-25 整期出版日期: 2022-04-25

ZTFLH:

O4-34

引用本文:

佘枭雄, 黄刚, 刘熹微, 易伟松. 利用智能手机定量研究亥姆赫兹线圈磁场分布 [J]. 大学物理实验, 2022, 35(2): 7-10.
SHE Xiaoxion, HUANG Gang , LIU Xiwei , YI Weisong . Quantitative Measurement the Magnetic Field Distribution of Helmholtz Coils Based on Smartphone . Physical Experiment of College, 2022, 35(2): 7-10.

链接本文:

http://dawushiyan.jlict.edu.cn/CN/10.14139/j.cnki.cn22-1228.2022.02.002 或 http://dawushiyan.jlict.edu.cn/CN/Y2022/V35/I2/7

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