
电学
Authored by 邱弘兆老师 邱弘兆老师
Physics
1st Grade
Used 8+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1+1=?
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项是电源?
电池
灯泡
导线
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪个可以做成电路中的导线?
铜线
橡皮擦
RM100钞票
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
科学家在一开始,以为电流是_______的定向移动,所以就这样定义(规定下来了)。
过后才发现其实电流是由于_____的定向移动形成的。
正电荷,电子
电子,正电荷
电池,电阻
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电流的方向与______的移动方向相反。
电子(负电荷)
正电荷
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电路开关闭合,电路元件形成闭合的回路,灯泡也发亮。
这种电路状态称为______。
通路
短路
断路
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电源两端直接用导线连接,这种电路状态叫做_____。
这样可能会使电源过度发热或火灾。
短路
开路
走错路
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