# The Ultimate Electric Circuits for Electrical Engineering

Learn DC electric circuits, Electronics, AC Circuits, AC power, Three phase circuits, and Resonance in ONE COURSE !

## Overview

*Hi Electric Circuits Lovers !*

*Hi Electric Circuits Lovers !*

*This course is designed to provide a complete understanding of electric circuits starting from the basics and fundamentals of electrical engineering moving to advanced topics in electric circuits for complete beginners without any previous knowledge.*

Electric circuits analysis is the fundamental theory upon which all branches of electrical engineering are built. Many branches of electrical engineering, such as power engineering, electric machines, control, electronics, communications, and instrumentation, are based on electric circuit theory.

**The course is roughly divided into the following topics:**

* <<<< Basics and fundamentals of electrical engineering and Electric Circuits>>>>*

*<<<< Basics and fundamentals of electrical engineering and Electric Circuits>>>>*

- What is an electric circuit?
- System of Units & SI Prefixes
- Definitions of electric charge, current, voltage, power and energy
- Basic circuit elements and their applications
- DC current vs. AC current
- Difference between independent and dependent sources
- Power balance in electric circuits

* <<<< Fundamental laws in DC Electric Circuits >>>>*

*<<<< Fundamental laws in DC Electric Circuits >>>>*

- Ohm’s law in electric circuits
- Various properties of resistors
- Kirchhoff’s current law (KCL) and Kirchhoff’s voltage law (KVL)
- Short circuit and open circuit
- Circuit reduction topology using series and parallel resistors
- Voltage and current divider rules
- Star and delta connections
- Star to Delta transformation and vice versa for the circuit reduction
- Nodal analysis method and concept of super node
- Electric circuit applications as lighting systems

* <<<< Advanced theorems in DC circuit analysis >>>>*

*<<<< Advanced theorems in DC circuit analysis >>>>*

- The concept of linearity and linear circuits
- Different electric circuit theorems such as superposition and source transformation theorems
- Thevenin theorem in electric circuits
- How to apply Thevenin with dependent sources?
- The maximum power transfer theory using Thevenin
- Norton theorem in electric circuits

* <<<< Capacitors and Inductors in Electric Circuits >>>>*

*<<<< Capacitors and Inductors in Electric Circuits >>>>*

- Various properties for capacitors and inductors
- The voltage and current relations in capacitors and inductors
- The energy stored in capacitors and inductors
- How to simplify capacitive, and inductive circuits?
- Series and parallel capacitors and inductors

* <<<< Operational Amplifiers in Electric Circuits>>>>*

*<<<< Operational Amplifiers in Electric Circuits>>>>*

- Basics of operational amplifiers (Op-Amps)
- Difference between ideal and practical Op-Amps
- Different types of Op-Amps such as inverting, non inverting, summing and difference amplifiers
- Different applications on Op-Amps such as differentiator, integrator, cascaded Op-Amps
- How to implement digital to analog converter (DAC) using Op-Amps?
- How to build instrumentation amplifier (IA) using Op-Amp circuits?

* <<<< DC transient circuits in Electric Circuits>>>>*

*<<<< DC transient circuits in Electric Circuits>>>>*

- First order DC transient circuits
- Forced and free response of R-L circuit
- Forced and free response of R-C circuit
- The key to working with any R-L or R-C circuits
- The analysis of second order DC transient circuits
- Analysis of series RLC circuit
- Different responses for RLC circuit
- How to analyze any general RLC circuit?

* <<<< AC Electric Circuit Analysis >>>>*

*<<<< AC Electric Circuit Analysis >>>>*

- Practical difference between AC and DC circuits
- AC sinusoidal sources and phasors
- Identify the phasor representation for AC sources
- V-I relations for resistors, inductors and capacitors in AC circuits
- Definitions of impedance and admittance
- Apply different circuit techniques and theorems in AC circuits
- Apply KVL, KCL, impedance combinations, mesh and nodal techniques in AC circuits
- superposition, source transformation, Thevenin and Norton theorems in AC circuits
- Realize Cramer’s rule and the elimination technique in analyzing any AC electric circuit
- Analysis of Op Amp AC circuits

* <<<< Power in AC Circuits >>>>*

*<<<< Power in AC Circuits >>>>*

- Practical importance of AC power analysis
- Difference between instantaneous and average power
- Apply maximum power transfer theory in AC circuits
- The root-mean-square (RMS) value and its importance in AC circuits
- Identify the apparent power (S) and power factor (PF)
- Discuss the complex power and its importance in AC power analysis
- Difference between active power (P) and reactive power (Q)
- Realize the power triangle in relating the different types of AC power
- Realize the consequences of low power factor in AC power system
- The role of capacitors in improving the power factor

* <<<< Three Phase Circuits >>>>*

*<<<< Three Phase Circuits >>>>*

- The advantages of using 3-ph systems
- The origin of balanced three phase supply
- Study different possible connections in balanced 3-ph circuits
- Apply (star-star), (star-delta), (delta-star), (delta-delta) 3-ph connections
- Discuss the difference between (3-wire) and (4-wire) 3-ph systems
- The difference between line and phase voltages
- The relations between line and phase currents
- How to analyze unbalanced star or delta loads in any 3-ph system

* <<<< Power in Three Phase Circuits >>>>*

*<<<< Power in Three Phase Circuits >>>>*

- Power calculations in balanced 3-ph system
- Power calculations in unbalanced 3-ph system
- How to calculate the power losses in any 3-ph system?
- How to improve the power factor in 3-ph circuits?

* <<<< Resonance in Electric Circuits >>>>*

*<<<< Resonance in Electric Circuits >>>>*

- Realize the electric resonance phenomena in electric circuits
- Series resonance vs. parallel resonance
- Properties of resonant circuits
- Half power frequencies in resonant circuits
- Bandwidth and quality factor for electric resonance
- Applications of resonance circuits
- Drawbacks of unwanted resonance

*You will find several solved examples and practical applications to illustrate the analysis of practical circuits*

* By the end of this course**, you will be able to start your career in electrical engineering, power and*

* computer engineering and electronics so that you will be able to analyze different electric circuits*

* from basics to advanced*

**I thank you very much for taking the time to check the course content.**

** See you in the course !**

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## Curriculum

## Instructor

## Reviews

### Requirements

- No prior knowledge about electrical engineering
- Basic knowledge of mathematics
- calculator

### Target audiences

- Anyone with passion in learning about electrical engineering from scratch without any previous knowledge