有無鐵芯,得到的磁場會有多大差別?
謝謝!
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無芯的,因為線圈中間必須是空心的才能放實驗樣品。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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謝謝!
-gweipwu-
♂
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11/13/2022 postreply
08:34:19
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