
電磁作用是非題03
Authored by 勁男 李
Science
6th Grade
Used 3+ times

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50 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
地球的內部就像是一個大磁鐵,地磁 N 極在北方,地磁 S 極在南方。
O
X
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
通電的電磁鐵 N 極會吸引磁鐵 S 極,所以電磁鐵的 S 極也會吸引 N 極。
O
X
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
綠蠵龜總能歷經遠距離洄游至產卵處,是因為可以利用地球磁場來導航定位。
O
X
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
指北針的指針具有磁性,也算是一個小型磁鐵。
O
X
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
進行「通電的電線對指北針的影響」實驗時,改變電池的方向會使指針偏轉方向相反。
O
X
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
自製指北針時,將長條形磁鐵懸吊在空中,主要的目的是讓長條形磁鐵能自由旋轉。
O
X
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
通電的電線下方放指北針時,電線與指北針的南北方重疊,指針會偏轉;但如果電池方向不變,改將指北針放在電線上方,指針會向另一邊偏轉。
O
X
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