都是凤舞天骄 发表于 2024-7-26 14:15:25

电工入门一定要知道的知识点

1、直流电路
电路: 就是电流通过的途径
组成: 电路由电源、负载、导线、开关组成
内电路: 负载、导线、开关
外电路: 电源内部的一段电路
负载: 所有电器
电源: 能将其它形式的能量转换成电能的设备
2.串联电路：
电阻的串联：将电阻首尾依次相连,但电流只有一条通路的连接方法。
电路串联的特点为电流与总电流相等，即I = I1 = I2 = I3…
总电压等于各电阻上电压之和，即U = U1 + U2 + U3…
总电阻等于负载电阻之和，即R = R1 + R2 + R3…










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whj18298985695 发表于 2025-11-14 22:18:31

路过打卡，为优质内容疯狂打 call

荆棘 发表于 2025-11-14 23:52:50

占个楼慢慢看，先马克一下
楼主辛苦啦，期待下一篇分享

414125609 发表于 2025-11-15 15:49:37

赞同 + 10086，没毛病，完全没毛病

飞翔自由 发表于 2025-11-17 09:54:23

来凑个热闹，为楼主增加点人气！

探索.足迹 发表于 2025-11-17 10:04:40

理性围观，感觉大家说的都有道理～

xywwh 发表于 2025-11-17 10:08:04

蹲一波同款，有没有姐妹 / 兄弟推荐？

电气~自动化 发表于 2025-11-17 10:09:41

笑不活了，评论区比正文还精彩
已转发给朋友，一起快乐一下

bulesky 发表于 2025-11-17 10:12:22

蹲一波同款，有没有小伙伴推荐？

wx_Ami3T33C 发表于 2025-11-17 10:13:48

这波反向操作，我属实没想到！
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