
3下1-1電流的熱效應
Authored by hsiangchi chang
Physics
8th - 9th Grade
Used 10+ times

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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
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?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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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