An Introduction to Electrical Science

Adrian Waygood is a retired lecturer and instructional designer, having had a career in the armed forces, technical institutes and the defence industry in the UK, Canada and the Middle East. These include the Royal Navy, the Royal Navy of Oman, the Northern Alberta and British Columbia Institutes of Technology, the Higher Colleges of Technology (United Arab Emirates) and British Aerospace. He has also managed government trades apprenticeship programmes in Canada, and has consulted on instructional-design methodology at technical-teacher training colleges in India and Indonesia. He holds a Higher National Certificate in Electrical and Electronics Engineering, together with a Master’s Degree in Education Technology.

Foreword. Introduction. SI System of Measurements. Electrical Schematic and Wiring Diagrams. The 'Electron Theory' of Electricity. Electric Current. Potential and Potential Difference. Resistance. Resistors. Conductors and Cables. Effect of Temperature-Change upon Resistance. Ohm’s Law of Constant Proportionality. Series, Parallel and Series-Parallel Circuits. Electrical Measurements. Cells and Batteries. Internal Resistance. Energy, Work, Heat and Power. Magnetism. Electromagnetism. Magnetic Circuits. Electromagnetic Induction. Motor Principle. Transformers. Capacitance. Capacitors. Geometry and Trigonometry Revision for A.C. Introduction to Alternating Current. Series Alternating-Current Circuits. Power in Alternating-Current Circuits. Parallel Alternating-Current Circuits. Summary of Equations Derived from Phasor Diagrams. Power Factor Improvement. Balanced Three-Phase A.C. Systems.