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第十章 稳恒磁场 PowerPoint PPT Presentation


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第十章 稳恒磁场. 基本内容:讨论恒定电流激发的磁场的规律和性质  . 一基本磁现象. 1.安培关于物质磁场本质的假设. 一切磁场现象起源于电荷的运动:任何物质中的分子,都存在有回路电流 —— 分子电流,分子电流相当于一个基本磁场. 2.磁场. 运动电荷(电流)激发磁场,其周围存在着磁场,磁场对运动电荷、载流导体和永久磁铁等有磁场力的作用. 3.磁感应强度 :描述磁场性质的重要物理量. 在磁场中某点P处,放入一速度 运动的正电荷 ,其受磁场力 . (1)大小与 和 有关,但.

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第十章 稳恒磁场

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