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電磁鐵特性

Authored by 廖老師 廖老師

Science

6th Grade

Used 7+ times

電磁鐵特性
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7 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

請問通電後的電線會使指北針箭頭如何轉動?(複選)

A=朝左邊,微微偏轉

A=朝右邊,微微偏轉

B=朝右邊,微微偏轉

B=朝左邊,微微偏轉

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

請問通電後的電線會使指北針箭頭如何轉動?(複選)

A=朝左邊,微微偏轉

A=朝右邊,微微偏轉

B=朝右邊,微微偏轉

B=朝左邊,微微偏轉

3.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

製作電磁鐵的材料有哪些?(複選)

漆包線

木棒

電池組

鐵棒

磁鐵

4.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

有關電磁鐵的特性,請選出正確的敘述?(複選)

通電後,就有磁力

斷電後,磁力也不會消失

通電後,電磁鐵兩端會產生磁極(NS)

通電後,改變電流方向,電磁鐵兩端的磁極會改變(NS對調)

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

如何改變電磁鐵的磁力大小?(複選)

串聯的電池數量

纏繞的線圈圈數

串聯的電池大小

不同的材質(鐵棒、木棒、鋁棒)

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

生活中的電磁鐵應用?(複選)

手機架

電話

耳機

果汁機

冰箱

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有關磁浮列車的敘述是錯的?(單選)

磁浮技術研究起源德國

電磁鐵原裡的應用

藉由磁力的吸引與排斥來行進

藉由摩擦力讓車停下來

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