Electrical Principles I

Biomedical Engineering · Level 6  ·  3 Chapters

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What Electrical Principles I covers

In this unit, you will be able to confidently understand and apply fundamental electrical principles, from identifying key electrical quantities and using measuring instruments to constructing and maintaining cells and batteries safely. By mastering calculations and measurements in DC circuits, you will be well-prepared to tackle real-world electrical tasks with precision and professionalism, setting a strong foundation for your career in the electrical trade.

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Careers after Electrical Principles I

Understanding Electrical Principles is your gateway to powering Kenya’s growing industries and communities. Mastering these skills opens doors to diverse career paths where your knowledge will keep homes lit, businesses running, and innovations thriving across the country.

  • In the Jua Kali sector, artisans use these principles daily to build and repair electrical gadgets, battery chargers, and solar power systems, earning income through skilled craftsmanship and entrepreneurship.
  • At KenGen and Kenya Power, technicians rely on accurate electrical measurements and calculations to maintain Kenya’s national grid, ensuring reliable electricity supply and safety.
  • In the matatu industry, electricians apply battery maintenance and circuit knowledge to keep vehicles’ electrical systems functional, supporting transport services vital to Kenya’s economy.
  • Construction sites across Nairobi, Mombasa, and Kisumu need electricians who can design and install safe electrical circuits, ensuring compliance with standards and protecting lives.
  • Agribusiness companies like KTDA depend on electrical systems for irrigation and processing plants, creating opportunities for skilled technicians to maintain and improve these systems.
  • In the hospitality sector, reliable electrical systems are crucial for hotels and lodges, where your expertise can ensure guest comfort and operational efficiency.
  • With these skills, you can also start your own business repairing batteries, assembling solar kits, or providing electrical installation services, tapping into Kenya’s increasing demand for sustainable energy solutions.

Mastering Electrical Principles today sets you on a path to a rewarding career where you power Kenya’s future and build a stable livelihood for yourself and your community. Keep learning—you have the power to light up the nation!

Chapters

What Electrical Principles I covers: 17 main topics in 3 chapters

1. Applying Electrical quantities

  1. 1.1 The meaning of SI unit
  2. 1.2 SI unit of various types of Electrical parameters
  3. 1.3 Ohm's law
  4. 1.4 Calculations involving various Electrical parameters e.g. Power, Current, Voltage, Resistance
  5. 1.5 Instruments used in measuring various types of Electrical parameters

2. Use cells and batteries

  1. 2.1 Sources of electricity
  2. 2.2 electrolysis and its applications
  3. 2.3 Simple cells
  4. 2.4 Primary and secondary cells
  5. 2.5 Types of cells and batteries
  6. 2.6 E.m.f and internal resistance of cells
  7. 2.7 Maintenance of batteries
  8. 2.8 Applications of batteries

3. Apply DC circuit

  1. 3.1 Resistance and resistivity
  2. 3.2 Parallel and series circuits
  3. 3.3 Basic electrical laws
  4. 3.4 DC theorems

Revise this unit

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Beyond the syllabus

Other units in Module II