电学2 期末测试
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Hard
luohua lu
Used 2+ times
FREE Resource
Enhance your content in a minute
22 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
现在有一个LED灯需要点亮，该选择哪一种电源
12V
9V
220V
5V
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
光敏电阻受到光照，电阻会__
变大
变小
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光线传感器，当它收到较强的光照时，检测信号D0接口，数值可能是
1
0
1024
255
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光线传感器，当它收到较强的光照时，检测信号A0接口，数值可能是
1
0
1024
255
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
使用电压表在一段时间内测量led电压数值，测出的数值是
模拟量
数字量
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
记录一个开关在一段时间内的开关状态，它是
模拟量
数字量
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电位器的本质是？
一段可调导线
一个可调电阻
一个可调电压
一个可调电流
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports
Continue with Google
Continue with Email
Continue with Classlink
Continue with Clever
or continue with
Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
20 questions
六年级 科学 第九课 废物
Quiz
•
6th - 8th Grade
20 questions
friction
Quiz
•
7th Grade
20 questions
一年级科学 生物和非生物
Quiz
•
KG - Professional Dev...
20 questions
二年级科学- 复习 （一）
Quiz
•
7th - 8th Grade
20 questions
第一章 认识科学 第二章 走进实验室
Quiz
•
7th Grade
24 questions
初一第3章测量
Quiz
•
6th - 8th Grade
20 questions
三年级科学室规则
Quiz
•
1st - 12th Grade
18 questions
一年级科学 第二课科学室规则
Quiz
•
1st - 10th Grade
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
54 questions
Analyzing Line Graphs & Tables
Quiz
•
4th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
Discover more resources for Science
20 questions
Cell Organelles and Functions
Quiz
•
6th - 8th Grade
33 questions
Grade 6 Quarter 3 PMA 5 Review
Quiz
•
6th - 8th Grade
12 questions
Ecological Succession
Quiz
•
7th Grade
10 questions
Exploring the Rock Cycle: Types and Formation
Interactive video
•
6th - 8th Grade
10 questions
Exploring the Layers of the Earth
Interactive video
•
6th - 10th Grade
10 questions
Exploring the Rock Cycle
Interactive video
•
6th - 8th Grade
12 questions
Photosynthesis
Quiz
•
7th Grade
10 questions
Exploring Weathering, Erosion, and Deposition Processes
Interactive video
•
6th - 10th Grade