
國中自然3下2-2__
Authored by Tang Da
Fun
7th - 9th Grade
Used 22+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,磁針甲、丙、丁均位於導線正上方,乙位於導線正下方;當按下開關後,有關磁針偏轉方向的敘述,下列何者錯誤?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一位科學家最先發現了電和磁之間是有關係的?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
何種定則可以幫助我們判斷不同方向的電流於周圍產生的磁場方向?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在通有電流的銅線周圍放置一個羅盤並且進行各種測試,應該會發現磁針偏轉的方向或角度和下列何者的變化是沒有關係的?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
康康將一段粗導線繞成圓形線圈,之後連接電池,形成如附圖所示之電路。則由圖中圓形線圈所產生之磁場,在甲、乙兩點的方向分別為何?(d表示甲、乙兩點至線圈的距離,甲位於線圈的圓心)
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
通有電流的水平長直導線下方有一磁針,當電流由南向北,考慮地磁時,下列何者正確?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一指北針置於桌面上,其正上方有一條南北方向的長直導線通過。當導線通以由南向北的電流後,指針偏轉至某一方向而停止。若此時再將導線緩慢向上抬高,使其遠離指北針,則指北針將會如何?
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