6上自然4-2
Authored by Anonymous Anonymous
Science
6th Grade
Used 2+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
科學家愛迪生不僅發明留聲機，也是發現通電電線會產生磁場的重要功臣。
O
X
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將電線與指北針的指針重合，電線通電後發現指針會偏轉，這是因為通電的電線會產生磁場。
O
X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小祥將通電的電線放在指北針的上方，指針稍微向右偏轉，如果將通電的電線放在指北針的下方，指針向右偏轉更大。
O
X
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
俊齊將通電的電線放在指北針的下方，指針向右偏轉，如果把電池的正負極改變方向，則指針向左偏轉。
O
X
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
通電的電線放在指北針的上方，指針一定向右偏轉，不會受到電池的正負極方向影響。
O
X
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將漆包線繞成線圈，通電的線圈也會產生磁性。
O
X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
楷均將自己的玩具車馬達拆開，發現裡面有漆包線繞成線圈。
O
X
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