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電磁作用是非題03

Authored by 勁男 李

Science

6th Grade

Used 3+ times

電磁作用是非題03
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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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