高中物理：如图，为什么线圈越长，自感系数就越大，根据它的公式不应该是越小吗？ 知乎 Sketch Coloring Page

高中物理：如图，为什么线圈越长，自感系数就越大，根据它的公式不应该是越小吗？ 知乎 Template

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tomski高中物理：如图，为什么线圈越长，自感系数就越大，根据它的公式不应该是越小吗？ 知乎 coloring

DD线圈自感互感计算电磁场原理详细解析 知乎 sketch template

如图所示用电流传感器研究自感现象．电源内阻不可忽略线圈的自感系数较大其直流电阻小于电阻R的阻值．t=0时刻闭合开关S电路稳定后t1 sketch template

自感系数 百度百� sketch template

8．如图所示是用于观察断电自感现象的电路线圈的自感系数较大线圈的直流电阻与小灯泡的电阻R满足．则在电键S由闭合到断开瞬间可以观察到 A sketch template

【吃透书本�2 电路中的磁性元件：自感与互感 线圈 逆接 自感系数 CSDN博客 sketch template

在断电自感的演示实验中用小灯泡、带铁芯的电感线圈和定值电阻等元件组成如图甲所示电路。闭合开关待电路稳定后两出卷� sketch template

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百度教育 sketch template

如图所示真空中一矩形线圈宽和长分别为2a和b通有电流I2 大学搜题酱 sketch template

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在研究自感现象的实验中用两个完全相同的灯泡ab分别与自感系数很大的自感线圈L和定值电阻R组成如图所示的电路自感线圈的直流电阻与定值电阻R sketch template

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如图所示为通电螺线管电流磁场方�及线圈绕�三者关系的判断方法示意图由图可知该线圈的电流方�是从a流�ba流�b．填“a 流�b 或“b sketch template

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如图所示在铁芯P上绕着两个线圈a和b则 A线圈a输入正弦交变电流线圈b可输出恒定电流 B线圈a输入恒定电流穿过线圈b的磁通量一定为 sketch template

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