Products
Mind Mapping Software
Outlining Software
Gantt Charts Software
Uses
Mind Maps for Education
Mind Maps for Business
Mind Maps for Personal Development
Mind Mapping Benefits
Resources
Features
Education
Personal & Work
Desktop
Video Tutorials
Watch tips and tricks about using Mindomo.
Help Center
Detailed help guide on configuring and using Mindomo.
Articles
Top 29 Mind Map Examples
Gantt Chart Software
Concept Map Template
Free mind map software
What is a concept map?
Gantt Chart Maker
Mind Map App
Concept Map Maker
Mind map template
Pricing
Log in
Sign Up
Products
Mind Mapping Software
Outlining Software
Gantt Charts Software
Uses
Mind Maps for Education
Mind Maps for Business
Mind Maps for Personal Development
Mind Mapping Benefits
Resources
Blog
Video Tutorials
Help Center
What is Mind Mapping?
Create a Mind Map Online
Concept Map Maker
Articles
Top 29 Mind Map Examples
Gantt Chart Software
Concept Map Template
Free mind map software
What is a concept map?
Gantt Chart Maker
Mind Map App
Concept Map Maker
Mind map template
Features
Education
Personal & Work
Desktop
Pricing
Sign Up
Log in
Categories:
All
-
材料
by
Teacher Physics
17 years ago
407
电阻变阻器
电阻和变阻器是电学中常见的元件,电阻的大小由长度、材料、温度和横截面积决定。变阻器用于调整电路中的电阻大小,以控制电流。其使用方法包括确保不超过最大电流、接线柱正确连接以及在闭合开关前将滑片调到阻值最大处。电路图符号帮助识别这些元件,而具体单位则用于量化电阻值。掌握这些知识和技能能够有效连接和操作滑动变阻器,并分析电阻和电流的变化趋势,从而提升对电路的理解和控制能力。
Open
More like this
探究导体电阻大小的因素
by Teacher Physics
2.漁撈
by 怡雯 邱
探究导体电阻大小的因素
by Teacher Physics
探究串并联电路的电流特点考题预测
by Teacher Physics
电阻变阻器
变阻器
3)能力要求
分析滑变电路电阻、电流变化趋势
根据要求连接滑变
2)使用方法
闭合开关前滑片调到阻值最大处
接线柱“一上一下”连接
不得超过最大电流
1)作用
电阻
4)大小决定因素
温度
横截面积
长度
材料
3)电路图符号
2)单位
1)定义