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國中自然3上ch4-2電流

Authored by 翰林出版國中自然 翰林出版國中自然

Physics

9th Grade

Used 75+ times

國中自然3上ch4-2電流
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8 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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?

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?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

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

Media Image

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

Media Image

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

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