| 断路端电压等于电动势的推导过程及实验验证的探讨 |
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| 引用本文： | 杨向东,胡林.断路端电压等于电动势的推导过程及实验验证的探讨[J].贵州大学学报(自然科学版),2007,24(2):138-140. |
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| 作者姓名： | 杨向东 胡林 |
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| 作者单位： | 1. 贵州师范大学理学院,贵州,贵阳,550001
2. 贵州大学理学院物理系,贵州,贵阳,550025 |
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| 摘 要： | 电阻很大时欧姆定律是不成立的,故用全电路的欧姆定律导出电池的电动势等于断路时的端电压是不合理的,作者从静电平衡条件下正确地导出电池断路时的端电压等于其电动势的结果,并用电容器通过冲击电流计充放电加以验证。
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| 关 键 词： | 断路端电压 欧姆定律 电动势 |
| 文章编号： | 1000-5269（2007）02-0138-03 |
| 修稿时间： | 2007-01-15 |
The procedure and the experimental verification of the open circuit terminal voltage is equivalent to electromotive force |
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| YANG Xiang-dong,Hu Lin.The procedure and the experimental verification of the open circuit terminal voltage is equivalent to electromotive force[J].Journal of Guizhou University(Natural Science),2007,24(2):138-140. |
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| Authors: | YANG Xiang-dong Hu Lin |
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| Institution: | 1. The Physics Department of Guizhou Normal University, Guiyang 550001, China; 2. The Physics Department of Guizhou University, Guiyang 550025, China |
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| Abstract: | It is not tenable for Ohms Law that electric resistance is tremendous.So it's not reasonable for using the whole circuit of Ohms Law educes the cell's electromotive force(emf),which is equal to open circuit's terminal voltage.This paper is about that proper educing cell open circuit of terminal voltage in electrostatic equilibrium condition is equal to its electromotive force(emf).And it is inspected and verified through the ballistic galvanometer charges up or discharges with capacitor. |
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| Keywords: | Open Circuit terminal voltage Ohms Law Electromotive Force |
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