有无铁芯,得到的磁场会有多大差别?
谢谢!
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无芯的,因为线圈中间必须是空心的才能放实验样品。把天花板震碎,那能量是很大的。
-唵啊吽-
♂
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11/13/2022 postreply
04:44:49
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谢谢!
-gweipwu-
♂
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11/13/2022 postreply
08:34:19
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