磁体内部磁场方向为什麽是从S到N?看了很多解答,都是说磁感线是闭合线,但是我还是不明白,磁体内部的磁感线不是一条直线吗?(另:刚接触电与磁这部分,希望能讲得浅显易懂些.)还有就是
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![磁体内部磁场方向为什麽是从S到N?看了很多解答,都是说磁感线是闭合线,但是我还是不明白,磁体内部的磁感线不是一条直线吗?(另:刚接触电与磁这部分,希望能讲得浅显易懂些.)还有就是](/uploads/image/z/4957900-52-0.jpg?t=%E7%A3%81%E4%BD%93%E5%86%85%E9%83%A8%E7%A3%81%E5%9C%BA%E6%96%B9%E5%90%91%E4%B8%BA%E4%BB%80%E9%BA%BD%E6%98%AF%E4%BB%8ES%E5%88%B0N%3F%E7%9C%8B%E4%BA%86%E5%BE%88%E5%A4%9A%E8%A7%A3%E7%AD%94%2C%E9%83%BD%E6%98%AF%E8%AF%B4%E7%A3%81%E6%84%9F%E7%BA%BF%E6%98%AF%E9%97%AD%E5%90%88%E7%BA%BF%2C%E4%BD%86%E6%98%AF%E6%88%91%E8%BF%98%E6%98%AF%E4%B8%8D%E6%98%8E%E7%99%BD%2C%E7%A3%81%E4%BD%93%E5%86%85%E9%83%A8%E7%9A%84%E7%A3%81%E6%84%9F%E7%BA%BF%E4%B8%8D%E6%98%AF%E4%B8%80%E6%9D%A1%E7%9B%B4%E7%BA%BF%E5%90%97%3F%EF%BC%88%E5%8F%A6%EF%BC%9A%E5%88%9A%E6%8E%A5%E8%A7%A6%E7%94%B5%E4%B8%8E%E7%A3%81%E8%BF%99%E9%83%A8%E5%88%86%2C%E5%B8%8C%E6%9C%9B%E8%83%BD%E8%AE%B2%E5%BE%97%E6%B5%85%E6%98%BE%E6%98%93%E6%87%82%E4%BA%9B.%EF%BC%89%E8%BF%98%E6%9C%89%E5%B0%B1%E6%98%AF)
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