手搖發電機

$20.00
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Category:

材質:多材質

配件:電機頭、把手、發電機外殼、小風扇

描述

手搖發電機的原理是電磁感應原理,既線圈在旋轉的磁場當中產生感應電動勢,平常的手搖發電機中的基本構造組件就是定子跟轉子,定子一般是永磁體,轉子是線圈。

在外力的帶動下線圈在磁場當中作切割磁感線運動產生感應電動勢,如果內部線圈通過電刷與外部電路構成一個閉合的回路那在這個電路當中就形成電流!

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