Electrical Principles I

Biomedical Engineering · Level 5  ·  3 Chapters

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What Electrical Principles I covers

In this unit, you will be able to confidently understand and work with fundamental electrical principles, from identifying key electrical quantities and using the right instruments, to constructing and maintaining cells and batteries safely. You will master accurate calculations and measurements in DC circuits, empowering you to solve real-world electrical problems with precision and professionalism. By the end, you’ll have the solid foundation needed to excel in electrical work and contribute effectively to your trade.

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Careers after Electrical Principles I

Understanding Electrical Principles is your gateway to a dynamic and essential career in Kenya's growing electrical and energy sectors. Mastering these skills equips you to work confidently in environments where reliable electrical knowledge is critical, from small-scale workshops to large industrial settings.

  • Jua Kali Sector: Skilled electricians and technicians use these principles daily to install, maintain, and repair electrical equipment in informal workshops, powering Kenya’s vibrant informal economy.
  • County Government Works: Many counties run public infrastructure projects requiring electrical expertise for street lighting, water pumping systems, and public buildings, offering stable employment opportunities.
  • KenGen and Energy Companies: Mastery of electrical quantities and battery management is crucial in power generation plants and renewable energy projects, where precision and safety are paramount.
  • Matatu Industry: Electrical skills are vital in maintaining vehicle lighting, battery systems, and electrical accessories, ensuring safety and compliance with transport regulations.
  • Agribusiness: Modern farms use electrical pumps, automated irrigation, and cold storage systems where your knowledge can improve productivity and reduce downtime.
  • Construction Sites: Electrical wiring, installation of lighting, and power systems rely heavily on your ability to calculate loads and use measuring instruments correctly.
  • Hospitality Industry: Hotels and lodges depend on well-maintained electrical systems for guest comfort, making your skills essential for facility management roles.
  • Entrepreneurship: With these skills, you can start your own electrical installation and maintenance business, serving local communities and enterprises, turning your expertise into a sustainable income.

By mastering Electrical Principles, you position yourself as a valuable professional ready to contribute to Kenya’s development while building a rewarding and flexible career. Your skills light up homes, power industries, and energize the nation’s future—embrace this journey with confidence!

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

3 more for this unit

Beyond the syllabus

Other units in Module II