物理实验

利用智能手机磁传感器测量亥姆霍兹线圈磁场

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  • 华南师范大学物理与电信工程学院,广东广州510006
刘炜( 1996—) ,女,广东广州人,华南师范大学物理与电信工程学院2018 级硕士研究生

收稿日期: 2019-09-05

  修回日期: 2019-10-13

  网络出版日期: 2020-05-17

Measuring the magnetic field of Helmholtz coil with the magnetic sensor of a smart phone

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  • School of Physics and Telecommunication,South China Normal University,Guangzhou,Guangdong 510006,China

Received date: 2019-09-05

  Revised date: 2019-10-13

  Online published: 2020-05-17

摘要

通过预实验确定智能手机磁传感器的位置后,用其测量亥姆霍兹线圈轴线的磁场分布,验证毕奥-萨伐尔定律及磁场的叠加原理,提供一种较为精确而简便的测量磁场的新方法.

本文引用格式

刘炜, 程敏熙 . 利用智能手机磁传感器测量亥姆霍兹线圈磁场[J]. 大学物理, 2020 , 39(05) : 31 -32 . DOI: 10.16854 /j.cnki.1000-0712.190402

Abstract

The magnetic sensor in the smart phone is located by a pre-experiment. The magnetic field distribution throughout the axle wire of Helmholtz Coil is measured,Biot-Savart Law and magnetic field’s superposition principle are verified by a handy and precise new measurement method.
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