當線路接通時,在金屬導線中可以自由移動的是哪一種粒子?
國中自然3上ch4-2電流

Quiz
•
Physics
•
9th Grade
•
Medium
翰林出版國中自然 翰林出版國中自然
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
中子
質子
電子
離子
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
導線中在 2 分鐘內有 60 庫侖的電量通過,則流經該導線的電流大小為何?
12 安培
5 安培
0.05 安培
500 毫安培
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
某生欲測量通過電器甲的電流,則下列電路圖何者正確?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有關電流的敘述,下列何者正確?
電流的方向即電子流動的方向
電子流向是由電池的正極經導線往電池負極流動
正電荷在電池內,由正極被推送到負極
以導線連接電池的正、負兩極時,電池驅使電荷流動而成電流
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
附圖的電路中,a、b 兩點間接下列何種物質,燈泡會發亮?
塑膠管
木條
粉筆
鋼絲
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
如圖所示,導線中真實電荷的流動方向為何?
正電荷順時針流動
負電荷順時針流動
正電荷逆時針流動
負電荷逆時針流動
8.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
電路裝置如附圖所示,則 I1、I2、I3 的電流關係為何?
I1=I2=I3
I1+I2=I3
I2+I3=I1
I1+I3=I2
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