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【題組】21. 丙圖線圈 B 處感應生成哪一極? (A) N 極 (B) S 極 (C)正極 (D)負極。
問題詳情
【題組】
21. 丙圖線圈 B 處感應生成哪一極?
(A) N 極
(B) S 極
(C)正極
(D)負極。
參考答案
上一篇 :
【題組】19. 圖中甲、乙兩裝置所應用的原理為下列何者?(A)甲、乙均是電流磁效應 (B)甲、乙均是電磁感應的應用(C)甲應用電磁感應、乙應用電流磁效應 (D)甲應用電流磁效應、乙應用電磁感應。
下一篇 :
【題組】22. 線圈內部感應電流所產生的磁場方向為向上的是何者?(A)甲、乙 (B)乙、丙 (C)甲、丁 (D)丙、丁。
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【題組】25. (A) and (B) but also (C) so (D) or that