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Introduction to Electrical Fundamentals  

Definition Of Electrical Fundamentals  

Importance In Avionics Systems  

Basic Electrical Concepts  

Voltage, Current, And Resistance  

Ohm’S Law  

Units Of Measurement  

Power And Energy  

Calculating Electrical Power  

Energy Consumption In Avionics  

Circuit Theory  

Types Of Circuits  

Series Circuits  

Parallel Circuits  

Circuit Components  

Resistors, Capacitors, And Inductors  

Diodes And Transistors  

Circuit Analysis Techniques  

Kirchhoff’S Laws  

Thevenin’S And Norton’S Theorems  

Electrical Safety and Standards  

Safety Precautions In Avionics  

Relevant Standards And Regulations  

FAA Regulations  

Industry Best Practices  

Conclusion  

Recap Of Key Concepts  

Relevance To Advanced Avionics Topics  

Welcome to Module 3 – Electrical Fundamentals, a crucial part of your avionics training. In this module, you will explore the essential principles of electrical systems that are foundational to understanding advanced avionics technologies. You will learn about the key concepts of voltage, current, resistance, and how they interact within various circuits. This module emphasizes the importance of electrical fundamentals in avionics systems, ensuring that you grasp the critical role they play in aircraft operations and safety. By the end of this module, you will have a solid understanding of electrical concepts that will serve as a stepping stone for more advanced topics in avionics.

 Module 3 – Electrical

Fundamentals

1. Electron Theory
– Structure and distribution of electrical charges within atoms, molecules, ions, and
compounds;
– Molecular structure of conductors, semiconductors, and insulators
2. Static Electricity and Conduction
– Static electricity and distribution of electrostatic charges;
– Electrostatic laws of attraction and repulsion;
– Units of charge, Coulomb’s Law;
– Conduction of electricity in solids, liquids, gases, and a vacuum
3. Electrical Terminology
– The following terms, their units, and factors affecting them: potential difference,
electromotive force, voltage, current, resistance, conductance, charge, conventional current
flow, and electron flow.
4. Generation of Electricity
– Production of electricity by the following methods: light, heat, friction, pressure, chemical
action, magnetism, and motion.
5. DC Sources of Electricity
– Construction and basic chemical action of primary cells, secondary cells, lead acid cells,
nickel-cadmium cells, and other alkaline cells;
– Cells connected in series and parallel;
– Internal resistance and its effect on a battery;
– Construction, materials, and operation of thermocouples; Operation of photo-cells
6. DC Circuits
– Ohms Law, Kirchoff’s Voltage and Current Laws;
– Calculations using the above laws to find resistance, voltage, and current;
– Significance of the internal resistance of a supply.
7. Resistance/Resistor
– Resistance and affecting factors;
– Specific resistance;
– Resistor color code, values, tolerances, preferred values, and wattage ratings;
– Resistors in series and parallel;
– Calculation of total resistance using series, parallel, and series-parallel combinations;
– Operation and use of potentiometers and rheostats;
– Operation of Wheatstone Bridge;
– Positive and negative temperature coefficient conductance;

<div class="simple-box-wrapper">    <div class="simple-box">        <div class="column">                        <p>The increasing complexity and sophistication of modern avionics require a solid understanding of electrical fundamentals, as these principles serve as the backbone of virtually all systems within an aircraft. As technology advances, avionics systems are becoming more integrated, necessitating a comprehensive grasp of electrical concepts for effective design, troubleshooting, and maintenance. Understanding electrical fundamentals is essential not only for engineers and technicians but also for anyone involved in the aerospace industry, as these concepts lay the groundwork for more advanced topics in avionics and systems engineering.</p>

<p>This course, 'Module 3 – Electrical Fundamentals,' is meticulously designed to equip learners with a robust understanding of essential electrical principles. It covers the foundational elements of voltage, current, and resistance, and delves into Ohm’s Law and the units of measurement critical for electrical calculations. By exploring circuit theory, including types of circuits and key components such as resistors, capacitors, and transistors, participants will gain insights into the behavior of electrical systems. Furthermore, the course addresses vital safety precautions and industry standards that govern avionics, ensuring that learners are well-prepared to apply their knowledge in real-world scenarios. Ultimately, this module aims to bridge the gap between fundamental electrical concepts and their applications in advanced avionics systems, fostering a deeper understanding of the interplay between electrical theory and practical implementation.</p>        </div>    </div></div>