AC/DC Hand Cranked Dynamo with light blub
直流交流發電機(接駁至燈泡)
HK$298.00
The electric dynamo uses rotating coils of wire and magnetic fields to convert mechanical rotation into a pulsing direct electric current through Faraday's law of induction.
發電機使用旋轉線圈和磁場，透過法拉第感應定律將機械旋轉轉換為脈衝直流電流。
