[問題] [電磁學]把地球當作一個電容
今天老師上課講到
地球可以把它當作成一個電容
算了一下一個人高度的電位差大概會有200V的電位差
但是為什麼不能拿來用呢
想了很久一直不知道真正原因是什麼
不知道有前輩可以幫忙解惑嗎
謝謝喔
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