
五年级科学电路中的灯泡亮度3
Quiz
•
Science
•
5th Grade
•
Hard
TAN Moe
Used 1+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电流是指电荷在电路中的什么流动?
电压
电能
电阻
电荷
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电压是指电路中的什么?
电流
电势差或电势能
电阻
电感
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电阻的作用是什么?
改变电流的方向
控制电压大小
限制电流流动的能力
增加电流流动的速度
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
灯泡是如何发光的?
灯泡发光是通过电流通过灯丝产生光能,光能使灯丝发光。
灯泡发光是通过电流通过灯罩产生热能,热能使灯泡发光。
灯泡发光是通过电流通过灯座产生热能,热能使灯泡发光。
灯泡发光是通过电流通过灯丝产生热能,热能使灯丝发光。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
灯泡的亮度与什么有关?
电流的大小
灯泡的形状
灯泡的颜色
电压的大小
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是电流的单位?
瓦特
欧姆
安培
伏特
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是电压的单位?
伏特
欧姆
瓦特
安培
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