| 利用智能手机磁传感器测量亥姆霍兹线圈磁场 |
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| 引用本文： | 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(5):31-32,43. |
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| 作者姓名： | 刘炜 程敏熙 |
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| 作者单位： | 华南师范大学物理与电信工程学院 |
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| 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.
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| 关 键 词： | 智能手机 磁传感器 亥姆霍兹线圈 叠加原理 毕奥-萨伐尔定律 |
Measuring the magnetic field of Helmholtz coil with the magnetic sensor of a smart phone |
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| LIU Wei,CHENG Min-xi.Measuring the magnetic field of Helmholtz coil with the magnetic sensor of a smart phone[J].College Physics,2020(5):31-32,43. |
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| Authors: | LIU Wei CHENG Min-xi |
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| Institution: | (School of Physics and Telecommunication,South China Normal University,Guangzhou,Guangdong 510006,China) |
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| 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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| Keywords: | smart phone magnetic sensor Helmholtz Coil superposition principle Biot-Savart Law |
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