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微型螺线管购买需要多少钱?_其他_设计456问答
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微型螺线管购买需要多少钱?

浏览:36次 | 提问时间: 06-30 04:54
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1个答案
予我深爱 06-30 04:54

这个一般30块就可以买到了,它是产生磁场的一种重要工具,它构造简单,使用方便,通电后磁场在轴线方向,并且磁场与电流保持永恒的线性关系,在管长和管径有较大比例时磁场中心附近有很好的均匀区,而且这个比值越大均匀区就越宽,它也很适合对直长试样的磁化作用,适用于各研究所,高等院校及企业做物质磁性或检测实验。

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