上图显示一种交通工具的某个部分。上述部分的用途是什么?
电能

Quiz
•
Science
•
5th Grade
•
Medium
Shei Ling Tan
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
为车灯提供电能
使轮胎自动转动
使煞车器发挥作用
把电能转化成动能
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个电路。如何测试上述电路是否完整?
增长电线
取出电源
按下开关
增加电池
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个电路图。Q元件是什么?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个电路的灯泡不会发亮?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个完整的电路。如何增加灯泡的亮度?
减少干电池的数量
增加电线的长度
增加开关的数量
减少灯泡的数量
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图显示一个电路图。按下哪组开关会使灯泡发亮?
P
P 和 Q
P 和 R
Q 和 R
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是并联电路?
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