电路元件
Quiz
•
Science
•
1st - 10th Grade
•
Medium
In B
Used 6+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪项不是完整电路需要的元件？
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
这电路元件的名称是__________。
灯泡
干电池
开关
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
这电路元件的名称是_________。
灯泡
开关
干电池
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
这电路元件的名称是___________。
灯泡
干电池
开关
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
干电池的功用是__________。
接通或截断电路
发出光亮
提供电流
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
灯泡的功用是_____________。
发出光亮
接通或截断电路
提供电流
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
开关的功用是____________。
提供电流
接通或截断电路
发出光亮
8.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个电路元件有正极与负极？
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