191问答库 > 为什么平行平板电极之间各点的电场强度完全相同

为什么平行平板电极之间各点的电场强度完全相同

2025-03-15 16:28:35
推荐回答（2个）
回答1：

　　平行平板电极板带等量异号电荷，板间电场线从正电荷出发到达负电荷，电场线是互相平行，并且分布均匀的直线，板间的电场是匀强电场，各点的电场强度完全相同。
　　由C=Q/U=Q/Ed=εS/4πkd
　　E=4πKQ/εS

回答2：

这是个定理事实

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