| 利用力敏传感器和安培定律测量磁感应强度的一种新方法 |
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| 引用本文： | 杨能勋,郭立新,许巧平.利用力敏传感器和安培定律测量磁感应强度的一种新方法[J].大学物理,2011(9):41-42,65. |
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| 作者姓名： | 杨能勋 郭立新 许巧平 |
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| 作者单位： | 延安大学物理与电子信息学院;西安电子科技大学理学院; |
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| 基金项目： | 延安市2010年科技发展计划项目(2010kg-07)资助 |
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| 摘 要： | 利用硅压阻式力敏传感器和安培定律测量磁场的磁感应强度.介绍了测量原理并用它测量了永久磁铁的磁场,实验结果表明,该方法具有测量误差小、便于操作等优点,对开放性实验教学有较好的参考意义.
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| 关 键 词： | 磁感应强度 力敏传感器 安培定律 |
Measurement of magnetic induction intensity by using force sensor and Ampere's law |
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| YANG Neng-xun,GUO Li-xin,XU Qiao-ping.Measurement of magnetic induction intensity by using force sensor and Ampere's law[J].College Physics,2011(9):41-42,65. |
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| Authors: | YANG Neng-xun GUO Li-xin XU Qiao-ping |
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| Institution: | YANG Neng-xun1,GUO Li-xin2,XU Qiao-ping1(1.College of Physics and Electronic Information,Yan'an University,Yan'an,Shaanxi 716000,China,2.School of Sciences,Xi'an University,Xi'an,Shaanxi 710071,China) |
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| Abstract: | Magnetic induction intensity of magnetic field is measured by using si-resistance-strain sensor and Ampere's law.The measurement principle is introduced and used it to measure the magnetic field of permanent magnets.The experimental results show that the present method has some advantages,such as the error is small,easy operate as well as an important reference value for open experimental teaching. |
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| Keywords: | magnetic induction intensity force sensor Ampere's law |
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