[問題] 關於電磁感應
現在教到電磁感應,線圈中的磁通量變化,會產生感應電動勢,而產生感應電流
那如果不是線圈,而是一金屬圓板會如何?
○A
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A是一金屬圓板,自由下落,通過一進入的磁場,在掉入、出瞬間,在磁場中間移動
各會有什麼情形發生呢?
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※ 編輯: j19951102 來自: 114.33.214.73 (03/12 19:57)
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