
电路与安全用电知识

Flashcard
•
Physics
•
5th Grade
•
Easy
KONG Moe
Used 1+ times
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11 questions
Show all answers
1.
FLASHCARD QUESTION
Front
什么是串联电路?
Back
两个或以上的灯泡依次连接的电路。
2.
FLASHCARD QUESTION
Front
什么是并联电路?
Back
两个或以上的灯泡并列连接的电路。
3.
FLASHCARD QUESTION
Front
串联电路中的灯泡亮度如何?
Back
干电池的电量平均分配给每个灯泡,使灯泡比并联电路中的灯泡暗淡。
4.
FLASHCARD QUESTION
Front
并联电路中的灯泡亮度如何?
Back
每个灯泡都获得干电池的总电量,使灯泡比串联电路中的灯泡明亮。
5.
FLASHCARD QUESTION
Front
增加灯泡的数量会对亮度产生什么影响?
Back
增加灯泡的数量会减弱灯泡的亮度。
6.
FLASHCARD QUESTION
Front
增加干电池的数量会对亮度产生什么影响?
Back
增加干电池的数量会增加灯泡的亮度。
7.
FLASHCARD QUESTION
Front
开关如何影响串联电路的灯泡?
Back
电流只有一条通路,按下全部开关,所有灯泡都会发亮;只要拉上其中一个开关,所有灯泡都会熄灭。
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