哪项是这两种电器所使用的电源?
五年级科学:电(一)

Quiz
•
Science
•
5th Grade
•
Medium
LAW SENG AI
Used 26+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
干电池
蓄电池
小型发电机
水力发电站
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
干电池
蓄电池
小型发电机
水力发电站
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
哪种电源的操作是将动能转换成电能?
蓄电池
发电机
太阳电池
小型发电机
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
哪项有关完整电路的说明是正确哦的?
由干电池和灯泡组成。
能随意截断和接通的电路。
由至少两个灯泡组成
电流能顺利通过每个电路元件
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
元件Q的功能是什么?
提供电源
连接电路的元件
接通或截断电路
测试电路的完整性
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
哪项说明是正确的?
元件K能透光和导电
电路中的元件K正在发亮
元件L必须是电的绝缘体
电流正顺利地通过每个元件
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
哪些是串联电路?
P和Q
P和S
Q和R
R和S
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