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範例:電流磁效應與地磁[104學測]

有一南北走向且平行水平地面的空中電纜線,原本沒有電流通過。某生將小羅盤平放在此電纜線正下方的地面上,當電纜線內通有由南向北的大電流時,小羅盤磁針 N 極的指向將如何偏轉?(A)由北向西偏轉 (B)由北向東偏轉 (C)由南向西偏轉 (D)由南向東偏轉 (E)磁針仍靜止不動【104 學測】

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Posted in 歷屆學測(推甄)考題, 電流產生的磁場, 電流磁效應.

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