電磁鐵玩具製作:电磁动力制作的简单玩具
电磁动力制作的简单玩具
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104 1 22科學達人總動員六年級電磁鐵玩具
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Top 50件電磁鐵玩具製作
https://world.taobao.com
電磁鐵實驗套裝小學生科學小學自制磁浮兒童趣味教學玩具電和磁手工DIY小製作組裝套件教具教具實驗器材. ¥. 8.8. 已售10+件. 收藏. 17評價. 兒童diy科技小製作電磁鐵 ...
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國小_自然_28-3
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富台國小
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第28屆西湖兒童自製電磁鐵小玩具
http://tsw.hhups.tp.edu.tw
小朋友利用電磁鐵的製作方法,自製趣味的小玩具。 當通電時,電磁鐵所產生的磁力和永久磁鐵產生相吸或相斥,小玩具就動了起來;有的可是因為通路和斷路不廷的交替,而 ...
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紓壓小物
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由於釹鐵硼磁鐵可以導電(外層鍍鋅層與內部均能導電),因此電路形成通路時,流過磁鐵內部的電流將會受到磁力。此時電流、磁場、受力方向彼此正交, ...
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繁星育成
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轉轉電磁鐵
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電磁鐵教學,就是這麼簡單!!!
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