「手回し発電機とコンデンサーで豆電球&led電球実験!最適な電球は?」#手回し発電機 #コンデンサー

2026 5:01
Synopsis
教科書の実験を応用して、手回し発電機とコンデンサーを使い、1.5V、2.5V、6.3Vの豆電球とLED電球を点灯させてみました。
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