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3下1-1電流的熱效應

Authored by hsiangchi chang

Physics

8th - 9th Grade

Used 10+ times

3下1-1電流的熱效應
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

單位時間內通過導線某一截面的電量多寡,稱為: 

電流

電壓

電阻

電功率

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

試問1庫侖的電量由電池的負極移到正極所獲得的電能,稱為:

電流

電壓

電阻

電功率

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

電池在單位時間內供應電能的多寡,稱為:

電流

電壓

電阻

電功率

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

已知電池標示為1.5 V,當1庫侖的電子在電池外部由負極流向正極時,電子的電能得失情形為何?

得到1.5焦耳的電能

失去1.5焦耳的電能

得3焦耳的電能

失去3焦耳的電能

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

A、B、C、D四條不同之鎳鉻絲,其兩端電壓與電流之關係如附圖。今以此四條鎳鉻絲分別製成電爐後,拿回家使用,則每秒所生熱能以何者最多?

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

如果電鍋的電壓保持一定,則電功率P與電流I的關係圖何者正確?

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

甲、乙兩個不同的與電池連接如附圖,結果甲燈泡比乙燈泡亮,則下列敘述何者錯誤

通過甲燈泡的電流>通過乙燈泡的電流

甲燈泡的功率>乙燈泡的功率

甲燈泡兩端的電壓>乙燈泡兩端的電壓

甲燈泡的電阻>乙燈泡的電阻

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