左图显示一个电路。
电路中的元件Y有什么功能？
五年级电路
Quiz
•
Science
•
5th Grade
•
Hard
CHAN Moe
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
提供充足的电流
接通与截断电路
让电流通过
测试灯泡的亮度
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个是元件两个电池的符号？
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
左图显示电路M。
以下哪项是电路M电路图？
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是并联电路？
电路元件依次连接起来的电路
开关只是控制连接着的电路元件
电流分开传送到连接着的电路元件
电路元件并列连接在一起的电路
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个电路中的灯泡最亮？
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪些元件与其符号的搭配是正确的？
P，Q和R
P，R和S
P，Q和S
P，Q，R和S
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项是P和Q的符号？
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