國中自然3下2-3
Quiz
•
Education
•
6th - 8th Grade
•
Practice Problem
•
Medium
李康乙 李康乙
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8 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如附圖所示,磁鐵塊及導線ab均為南北向擺放,則當通以電流時,導線ab的受力情形為何?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
若是想要了解通有電流導線所受到磁力的方向,則可以利用下列何種定則判斷?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知磁鐵接近通有電流的長直導線時,會影響導線偏離或是接近磁鐵,請問磁場方向和長直導線兩者如何安排時,會使導線所受的作用力最大?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一電子束由地面沿著鉛直的方向朝空中射出時,會受地磁影響而偏向何方前進?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於以右手開掌定則判斷導線和磁場方向之間的受力關係,下列哪一敘述是正確的?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
關於兩條平行且通有同方向電流的長直導線,下列敘述何者正確?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
通有電流的導線與磁場方向成何種角度時,導線受到磁力的作用最小?
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