关于磁场的题目1.长10m的载流直导体,流过的电流为10A,放置在磁感应强度为B的磁场中,导线与磁场方向的夹角为30°,如图4-29所示.如果导体受到的电磁力为2N,求磁感应强度B,并指出导体受力的方
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![关于磁场的题目1.长10m的载流直导体,流过的电流为10A,放置在磁感应强度为B的磁场中,导线与磁场方向的夹角为30°,如图4-29所示.如果导体受到的电磁力为2N,求磁感应强度B,并指出导体受力的方](/uploads/image/z/8269607-47-7.jpg?t=%E5%85%B3%E4%BA%8E%E7%A3%81%E5%9C%BA%E7%9A%84%E9%A2%98%E7%9B%AE1.%E9%95%BF10m%E7%9A%84%E8%BD%BD%E6%B5%81%E7%9B%B4%E5%AF%BC%E4%BD%93%2C%E6%B5%81%E8%BF%87%E7%9A%84%E7%94%B5%E6%B5%81%E4%B8%BA10A%2C%E6%94%BE%E7%BD%AE%E5%9C%A8%E7%A3%81%E6%84%9F%E5%BA%94%E5%BC%BA%E5%BA%A6%E4%B8%BAB%E7%9A%84%E7%A3%81%E5%9C%BA%E4%B8%AD%2C%E5%AF%BC%E7%BA%BF%E4%B8%8E%E7%A3%81%E5%9C%BA%E6%96%B9%E5%90%91%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA30%C2%B0%2C%E5%A6%82%E5%9B%BE4-29%E6%89%80%E7%A4%BA.%E5%A6%82%E6%9E%9C%E5%AF%BC%E4%BD%93%E5%8F%97%E5%88%B0%E7%9A%84%E7%94%B5%E7%A3%81%E5%8A%9B%E4%B8%BA2N%2C%E6%B1%82%E7%A3%81%E6%84%9F%E5%BA%94%E5%BC%BA%E5%BA%A6B%2C%E5%B9%B6%E6%8C%87%E5%87%BA%E5%AF%BC%E4%BD%93%E5%8F%97%E5%8A%9B%E7%9A%84%E6%96%B9)
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