来自况正谦的问题
有关自感现象为什么会更亮?
有关自感现象
为什么会更亮?
1回答
2020-04-24 09:56
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姜洪源
当自感线圈自感系数非常大时
磁通量变化率快
导致产生很大的自感电动势
所以会比之前更亮
和白炽灯启动原理一样
2020-04-24 09:57:45
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