Basic Concepts and Basic Laws of Electric Circuits

Learn about voltage, current, KCL, KVL, Ohm's law, Delta-Star transformations and more

What's Inside

✔️ Fundamentals of electric DC circuits

✔️ SI units or International Units

✔️ Definition of the electric charge

✔️ Definition of the electric current

✔️ Definition of the electric voltage

✔️ Definition of the electric power

✔️ Definition of the electric energy

✔️ Difference between dependent and independent sources

✔️ Applications of DC Circuits

✔️ Know the principle of TV picture tube or CRT

✔️ Know about the electricity bills calculations

✔️ Basic laws of Electricity

✔️ Understand Ohm's law

✔️ Difference between an Open Circuit and Short Circuit

✔️ Difference between Fixed and Variable Resistance

✔️ Definition of Conductance

✔️ Know difference between series and parallel connection

✔️ Definition of the Nodes, Branches and loops in Electric circuit

✔️ Definition of the Kirchhoff's laws

✔️ Definition of Kirchhoff current law

✔️ Definition of Kirchhoff voltage law

✔️ Series resistor and voltage division

✔️ Know parallel resistor and current division

✔️ Wye-Delta transformations and vice-versa

✔️ Understand Applications as Lightning Systems

Course Curriculum

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Engineer Ahmed Mahdy

I am Ahmed Mahdy an electrical power engineer, researcher, and the founder of Khadija Academy. I am also an electrical bestselling instructor and have helped more than 70,000 students from 191 countries achieve career success with simple and easy courses in the last 7 years.​ In addition to having a YouTube educational engineering channel called" Khadija Academy", where I regularly post videos related to electrical engineering. In 2018, I was nominated among the top 10% of instructors on Udemy, besides currently ranking among the top instructors in the engineering sector of Udemy.


Some of my published research works in the top electrical engineering journals worldwide:


1- ​Transient stability improvement of wave energy conversion systems connected to power grid using anti-windup-coot optimization strategy - Energy Journal - Impact Factor of 9.0.


2- Nonlinear Modeling and Real-Time Simulation of a Grid-Connected AWS Wave Energy Conversion System - IEEE Transactions on Sustainable Energy - Impact Factor of 8.8.


3- Modeling and optimal operation of hybrid wave energy and PV system feeding supercharging stations based on golden jackal optimal control strategy - Energy Journal - Impact Factor of 9.​0.


4- State-of-the-Art of the most commonly adopted wave energy conversion systems - Ain Shams Engineering Journal - Impact Factor of 6.0.


5- Optimal Design of Fractional-Order PID Controllers for a Nonlinear AWS Wave Energy Converter Using Hybrid Jellyfish Search and Particle Swarm Optimization - Fractal and Fractional - Impact Factor of 5.4


6- Dynamic performance enhancement of nonlinear AWS wave energy systems based on optimal super-twisting control strategy - Ain Shams Engineering Journal - Impact Factor of 6.0.

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