English

DC Circuits

This book covers Direct Current (DC) circuit theory and is broken up into three modules. Module 1 covers the basics for circuits that include DC sources (voltage or current) and resistors. Even though Module 1 is not very difficult, it forms the foundation for more complicated topics in Module 2 and 3 so it is important to have a firm grasp of all Module 1 topics before moving on. Module 2 covers more difficult problem solving techniques for circuits that include only DC sources and resistors. Module 3 introduces capacitors and inductors. These non-linear reactive components are analyzed in the transient and steady state regions in circuits with DC sources in Module 3. There are two follow-on eBooks in this 3-part series. They are AC Circuits (published in 2017) and Electromechanical Systems. The circuits in this book are created in a user friendly circuit drawing and simulation tool called Multisim. Creating new circuits and simulating them to verify your calculations are correct is a good way to hone your skills. While it is a luxury to have a program like Multisim that you can use to check your answers, a word of caution is in order. Sometimes people will become so dependent on

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