| 电表扩程与表头内阻变化的研究 |
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| 引用本文： | 蔡东红. 电表扩程与表头内阻变化的研究[J]. 喀什师范学院学报, 2006, 27(3): 41-43 |
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| 作者姓名： | 蔡东红 |
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| 作者单位： | 喀什师范学院,数理系,新疆,喀什,844007 |
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| 摘 要： | 对电表扩大量程和改变内阻与外接电阻大小的关系进行了阐述,并对实际改进电表扩大量程需要考虑的问题进行分析讨论,提出改进方案.
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| 关 键 词： | 表头参数 扩大量程 内阻 分流 分压 |
| 文章编号： | 1006-432X（2006）03-0041-03 |
| 收稿时间： | 2005-09-20 |
| 修稿时间： | 2005-09-20 |
The Study for the Ammeter Scale Expansion and the Variation of Ammeter Internal Resistance |
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| CAI Dong-hong. The Study for the Ammeter Scale Expansion and the Variation of Ammeter Internal Resistance[J]. Journal of Kashgar Teachers College, 2006, 27(3): 41-43 |
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| Authors: | CAI Dong-hong |
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| Affiliation: | Department of Physics, Kashgar Teachers College, Kashgar 844007, Xinjiang ,China |
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| Abstract: | The variation of the relation between internal resistance and resistance in the circuit after expanding the ammeter scale is discussed,and some guidance for improvement is also suggested. |
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| Keywords: | Metre variables Metre scale expansion Internal resistance Branch current Branch voltage |
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