Question

为什么导体处于电场中时接地电荷不为零？

Answer 1

只能码敏跟你说因为外球壳上有电荷，其产生电场，内球处于其中必有电势，内球为保持0电势蠢洞必须自身有电荷来和外球壳产生的电场平衡，以此来使自身电势为零。具体的解法当年会的，时间太久忘记了，你要是带模枯需要的话继续追问，我回去查查[tele.jsbfjs.cn/article/179062.html]
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