五年级 RBT 设计与工艺 单元二 练习2

Quiz
•
Life Skills, Other
•
5th Grade
•
Hard
CHRISTINE Moe
Used 393+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图里显示的是什么电子元件?
发光二极管
晶体管
开关
电阻器
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图里的电子元件有什么用途?
限制电流的流通
储存一定的电量
把电能转换成声能
当按下时能让电流通过
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图里显示一种电子元件的符号,该电子元件是什么?
电容器
发光二极管
电阻器
蜂鸣器
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
K 是一个电子元件, 用来储蓄一定的能量。 K 是什么?
电容器
晶体管
蜂鸣器
电阻器
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
蜂鸣器最可能出现在以下的物品里, 除了
警报器
闹钟
灯泡
计时器
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图里所显示的电子元件是?
电阻器
发光二极管
电容器
蜂鸣器
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图里所显示的电子元件符号是?
电阻器
鸣蜂器
电容器
晶体管
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