電磁鐵特性

Quiz
•
Science
•
6th Grade
•
Hard
廖老師 廖老師
Used 7+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
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
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
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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