Electrical And Electronics Principles

Automotive Mechatronics Technology · Level 6  ·  8 Chapters

Can I download Electrical And Electronics Principles notes as a PDF?

Yes. 1 CDACC past paper for Electrical And Electronics Principles downloads as a PDF, free, with no account and no payment. The notes download as a PDF too: every chapter has a Download PDF button above its notes. Sign in and click it. Each download comes from your plan's monthly allowance or from credits. To read before you sign in, the first topic of every chapter opens to anyone, and a Profplanet plan opens the remaining topics. See the 1 free past paper for this unit.

▣

What Electrical And Electronics Principles covers

In this unit, you will be able to confidently apply fundamental electrical and electronic principles to real-world tasks, from accurately measuring and calculating electrical quantities to designing and building digital circuits using logic gates. You’ll gain hands-on skills in using instruments safely and interpreting complex electrical concepts with ease, empowering you to solve practical problems and create reliable electronic systems. By the end, you’ll be ready to take on challenges in the electrical trade with precision and confidence.

■

Careers after Electrical And Electronics Principles

Understanding Electrical and Electronics Principles opens the door to a wide range of exciting and well-paying opportunities across Kenya’s vibrant economy. Mastering these skills equips you to work confidently with electrical systems, digital devices, and control circuits that power industries and everyday life.

  • In the Jua Kali sector, skilled artisans use these principles to design, repair, and maintain electrical appliances and small-scale electronics, earning through craftsmanship and innovation.
  • At KenGen and other energy companies, electrical technicians apply these skills to manage power generation and distribution systems, ensuring reliable electricity supply nationwide.
  • The matatu industry relies on electronics for vehicle electrical systems, security, and digital fare collection—where technicians who understand electronics are in high demand.
  • In construction sites and county works departments, electricians use these principles to install and troubleshoot wiring, lighting, and control systems, contributing to urban development and infrastructure.
  • The agribusiness sector, including companies like KTDA, employs electronics for automation in irrigation, processing plants, and quality control, boosting productivity and profits.
  • In hospitality, maintaining electrical and electronic systems in hotels and restaurants ensures smooth operations and guest satisfaction, creating steady employment opportunities.
  • Mastering these skills also empowers you to start your own business repairing electronics, installing solar systems, or developing digital solutions, tapping into Kenya’s growing tech and renewable energy markets.

By mastering Electrical and Electronics Principles, you are not just learning theory—you are building a foundation for a dynamic career that powers Kenya’s growth and innovation. Your skills will light up homes, drive industries, and create opportunities for you and your community. Keep learning, and watch your future brighten!

Chapters

1 past paper for this unit →

What Electrical And Electronics Principles covers: 37 main topics in 8 chapters

1. Use the concept of basic electrical quantities

  1. 1.1 SI unit of various types of Electrical parameters
  2. 1.2 Calculations involving various electrical parameters e.g. power, current, voltage, resistance
  3. 1.3 Instruments used in measuring various types of electrical parameters

2. Apply the concepts of DC and AC circuits in electrical installations

  1. 2.1 Definition of terms

3. Carry out power rectification in electrical systems

  1. 3.1 Definition of terms
  2. 3.2 Single phase power rectification
  3. 3.3 Smoothening capacitor
  4. 3.4 Diodes
  5. 3.5 Power regulation methods
  6. 3.6 Power protection methods and devices

4. Use basic electrical machine

  1. 4.1 Types of electrical machines
  2. 4.2 AC single phase motors, generators and transformers
  3. 4.3 DC machines
  4. 4.4 Application of AC and DC machines

5. Apply safety requirements for electricity

  1. 5.1 Electrical hazards
  2. 5.2 PPEs
  3. 5.3 National colour code
  4. 5.4 Principles of electrical hazards Assessment Methods

6. Apply principle of Electrical measurements

  1. 6.1 Measurement of voltage
  2. 6.2 Current recording
  3. 6.3 Calculation of resistance

7. Apply principle of electrical / electronic devices and their application

  1. 7.1 Identification of semiconductors of electrical /
  2. 7.2 Resistors connection electronic devices
  3. 7.3 Capacitors and their
  4. 7.4 Inductors application
  5. 7.5 Comparators and OP Amps
  6. 7.6 Microprocessors
  7. 7.7 Transducers
  8. 7.8 Actuators and sensors
  9. 7.9 Rechargeable batteries

8. Apply digital electronics

  1. 8.1 Number System
  2. 8.2 Logic gates symbols
  3. 8.3 Types of logic gates
  4. 8.4 Boolean functions
  5. 8.5 Truth table
  6. 8.6 Gate inputs and outputs value determining
  7. 8.7 Digital systems construction

Revise this unit

3 more for this unit

Beyond the syllabus

Other units in Module I