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國三上理化Chap4_3 電壓 2024 1116

Authored by Sone Wang

Physics

9th Grade

Used 8+ times

國三上理化Chap4_3 電壓 2024 1116
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

水流與電流有許多相似之處,故常被拿來互作比喻,試問在下列比喻中,有哪些是合理的?甲.水流相當於電流;乙.水管相當於導線;丙.抽水機相當於電池;丁.水量相當於電量。

甲乙丙丁

甲丙

乙丁

甲乙丙

2.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

將3個1.5伏特的電池串聯後,電池組的總電壓為多少伏特?

0.5

1.5

3.0

4.5

3.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

將3個1.5伏特的電池並聯後,電池組的總電壓為多少伏特?

0.5

1.5

3.0

4.5

4.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

伏特計的功能主要是用來測量下列何者?

電子數

電壓

電流

電量

5.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

關於電壓的敘述,下列何者錯誤?

單位為伏特

測量的儀器稱為伏特計

是驅使導體內電荷移動形成電流的主因

是電子對導線所造成之壓力

6.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

電流與電壓的單位依序為何?

伏特;焦耳

伏特;安培

安培;伏特

焦耳;伏特

7.

MULTIPLE CHOICE QUESTION

1 min • 5 pts

如附圖所示,已知燈泡和乾電池電壓都相同,試問哪一個燈泡最亮?

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