[題目] 球形介電質電場
[領域]
電磁學
[來源]
天下文化
費曼物理學講義II電磁與物質
CH11 介電質內部
[題目]
設一球型塞子中
單位體積的偶極向量P
則球體內部電場為
-P/3ε
°
[瓶頸]
是否為對每單位體積積分
dE=對dv產生的電場×dv
然後就...
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