九上4-4電阻與歐姆定律2
Quiz
•
Physics
•
9th Grade
•
Hard
Used 3+ times
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21 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
今有一條符合歐姆定律的金屬導線,接在3 V的電壓時,通過導線的電流為0.3 A;若將此導線改接在6 V的電壓下,則金屬導線的電阻會變成多少歐姆?
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有三種電器,(甲) 110 V、22Ω;(乙) 110 V、55Ω;(丙) 220 V、88Ω,若在額定電壓下通電使用,何者通過的電流最小?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列何者是電阻的最佳定義?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
寒流來襲,小旭的媽媽拿出一個電暖器,小旭發揮科學家的精神,測得電暖器兩端的電壓為3伏特,通過的電流為6安培。試問電暖器的電阻大小為?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
假設電阻A>B>C,如果將A、B、C三電阻串聯,並通入電流,則流經三電阻的電流大小關係為何?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
附圖(一)、圖(二)為甲導體、乙導體的電流I對電壓V的關係圖,何者符合歐姆定律?
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
如圖所示電路圖,下列敘述何者錯誤?
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