下列有关各种电路元件及其功能是正确的,除了
电路

Quiz
•
Science
•
5th Grade
•
Medium
Min Hui Lee
Used 78+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
干电池 - 提供电能
开关 - 控制电流的流通
电线 - 让电流通过每个元件
灯泡 - 把电流转换成声能和热能
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
在一条电路中,开关的主要功能是什么?
为灯泡提供电能
接通或截断电路
保存大量的电能
将电流从一个元件传至另一个元件
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项可组成一个完整电路?
开关、灯泡座、电线和干电池
电线、干电池、开关和灯泡
线、干电池、开关和灯泡
灯泡、电线和开关
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
8. 以下的说明是否正确?
电路中的灯炮会发亮,就表示电路时完整的。
对
错
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.以下的说明是否正确?
电线让我们控制电路中电流的通过。
对
错
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9. 以下的说明是否正确?
一个完整的电路是由电线、开关和灯炮组成。
对
错
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
10.以下的说明是否正确?
当按下开关时,电路会被接通,电流通过灯泡,使灯泡发亮。
对
错
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