Видео с ютуба Introduction Dc Circuit
DC Series circuits explained - The basics working principle
AC and DC Electricity basics
What Is a DC Circuit?
Lecture 5: Intro to DC/DC, Part 1
Voltage, Current, and Resistance - Introduction to DC Circuit Analysis
Circuit Basics: What's the difference between AC and DC power?
Введение в цепи постоянного тока
Essential & Practical Circuit Analysis: Part 1- DC Circuits