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111學年度六上自然4-2-4-3

Authored by 戴 士涵

Physics

6th Grade

Used 4+ times

111學年度六上自然4-2-4-3
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17 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

通電的電磁鐵與磁鐵一樣具有N極和S極,但是電磁鐵如果斷電後,只會剩下N極或S極。

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

漆包線與我們一般看到的電線類似,外面都有一層不導電的絕緣層。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

指北針的指針除了會受到磁鐵和地磁的影響而偏轉,電流也能讓指針產生偏轉。

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

通電的線圈具有磁性,可以吸起迴紋針等鐵製品。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電熨斗和果汁機都是具有電磁鐵的裝置,所以才能正常運作。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

將電線接上電池後,無論電池的擺放方向如何,通電的電線都會產生磁場,都可以使指北針的指針偏轉。

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在電池電力都相同的情況下,串聯兩個電池的電磁鐵會比並聯四個電池的電磁鐵,吸引更多迴紋針。

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