磁力穿梭機 (電磁感應實驗)

SKU: K225
$110.00
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SKU: K225 Category:

配件:銅綫權33cm、7號電池一個、強磁鐵4顆、保護套一根、綫圈修復木棒一根。

描述

原理:電池有正負極,電池兩段的強力磁鐵強化了磁場,而銅線圈是很好的導電材料,當電池和磁鐵的結合體進入線圈時剛好形成了壹個完整的電磁回路。

強力磁鐵的磁場導致電池前端和線圈回路形成拉力,電池後端和線圈回路形成斥力,這樣壹拉壹推,電池就沿著線圈前進了。

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