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Electrical Principles II

Biomedical Engineering · Level 6  ·  4 Chapters

Can I download Electrical Principles II notes as a PDF?

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What Electrical Principles II covers

In this unit, you will be able to confidently measure, calculate, and analyze key electrical quantities, circuits, and batteries using industry-standard methods and tools. By mastering these skills, you'll be able to safely construct and maintain cells and batteries, select the right components for any job, and solve real-world electrical problems with accuracy. This knowledge will empower you to work effectively and professionally in the electrical trade, laying a strong foundation for your future success.

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Careers after Electrical Principles II

Understanding Electrical Principles II opens up a world of practical and rewarding opportunities in Kenya’s growing electrical and energy sectors. The skills you develop here are the foundation for working confidently with electrical systems, whether in formal employment or your own business.

  • In the Jua Kali sector, skilled artisans use these principles daily to build, repair, and maintain electrical devices, batteries, and circuits, earning income through small-scale electrical repairs and installations.
  • At Kenya Electricity Generating Company (KenGen) and Kenya Power, technicians apply these skills to maintain power generation equipment and manage electrical distribution safely and efficiently.
  • In the matatu industry, electricians ensure vehicle electrical systems, batteries, and lighting are functioning well, supporting safe and reliable public transport.
  • County government works departments employ electrical technicians for maintaining street lighting, traffic signals, and other public infrastructure, providing steady employment.
  • The construction sector relies on electricians who understand circuit design, battery applications, and electrical safety to install wiring and power systems in new buildings.
  • In agribusiness, especially with companies like KTDA, knowledge of electrical principles supports the operation and maintenance of irrigation systems, processing machinery, and cold storage units.
  • Mastering these skills also empowers you to start your own business offering battery maintenance, electrical repairs, or installation services, meeting the high demand for reliable electrical solutions across urban and rural Kenya.

By mastering Electrical Principles II, you position yourself as a vital contributor to Kenya’s development and innovation in energy and technology. Your expertise is not only a ticket to employment but a stepping stone to entrepreneurship and independence in one of the country’s most dynamic sectors. Keep learning and stay curious—your future in Kenya’s electrical industry is bright!

Chapters

1
Apply magnetism and electromagnetism
10 topics
Open chapter →
2
Apply Electrostatics principles
7 topics
Open chapter →
3
Apply AC circuits
8 topics
Open chapter →
4
Conduct Electrical installation, system earthing and protection
26 topics
Open chapter →
What Electrical Principles II covers: 28 main topics in 4 chapters

1. Apply magnetism and electromagnetism

  1. 1.1 Magnetic and non-magnetic materials and
  2. 1.2 Concepts of magnetic fields and field electromagnetism distribution
  3. 1.3 Existence of magnetic field
  4. 1.4 Concepts of electromagnetism
  5. 1.5 Laws of electromagnetic induction
  6. 1.6 Concepts of self and mutual induction

2. Apply Electrostatics principles

  1. 2.1 Electrostatics quantities
  2. 2.2 Types of capacitors
  3. 2.3 Concept of charge and electrostatic field
  4. 2.4 Capacitors in series and parallel
  5. 2.5 Measurement of capacitance
  6. 2.6 Application of Capacitors
  7. 2.7 Testing of capacitor

3. Apply AC circuits

  1. 3.1 AC generators concepts
  2. 3.2 AC waveforms concepts
  3. 3.3 Derivation of generator e.m.f equation
  4. 3.4 Sine wave equations
  5. 3.5 Passive elements in AC circuits
  6. 3.6 Power triangle Active, Apparent and reactive power
  7. 3.7 Power factor correction
  8. 3.8 Methods of power factor correction

4. Conduct Electrical installation, system earthing and protection

  1. 4.1 Electrical installation
  2. 4.2 Application of System and equipment protection principles
  3. 4.3 Perform Protection system design
  4. 4.4 Design Earthing systems
  5. 4.5 Perform Test on an earthing system
  6. 4.6 Identification of various types of lightning strikes based on Benjamin Franklin
  7. 4.7 Perform Lightning system design

Revise this unit

Exam-style questions 56 Written to CDACC standard, with answers Test yourself 119 Multiple-choice, one at a time Practise questions 93 Quick recall — check you know the facts
3 more for this unit
Oral exam preparation 28 What the assessor asks, and how to answer out loud Worked calculations 21 Step-by-step maths with the common mistakes Quick cards 593 Myth busters, skill tips and scenarios

Beyond the syllabus

Decision simulator 3 On site, what would you do? Workplace scenarios 60 Real site situations — what would you do? Turn this into income 36 Where this skill earns — what to charge, how to find clients

Other units in Module III