Cover -- Half Title -- Title Page -- Copyright Page -- Table of Contents -- Preface -- 1 Use of Calculators -- 2 Simple Transposition of Formulae -- 3 SI Units -- SI Derived Units (Used in Book 1 &amp -- 2) -- SI Unit Prefixes -- 4 Conductor Colour Identification -- 5 Circuit Calculations -- Ohm's Law -- Resistors in Series -- Resistors in Parallel -- Calculation of Total Resistance of Resistors in Parallel -- Resistances in Parallel Using Product over Sum Method -- Series and Parallel Resistors -- 6 Voltage Drop -- Conductor Resistance and Voltage Drop Using Ohm's Law -- Voltage Drop Using Tables From BS 7671 -- 7 Areas, Perimeters and Volume -- Calculation of Perimeters -- Areas and Perimeters -- Volumes -- 8 Space Factors -- Calculation -- 9 Coulombs and Current Flow -- 10 Internal Resistance -- Resistivity -- 11 Power in a d.c. and Purely Resistive a.c. Circuit -- Method 1 -- Method 2 -- Method 3 -- Mechanics -- Mass, Force and Weight -- Efficiency -- 12 Power Factor -- kVA, kVAr and kW -- 13 Transformers -- Transformer Calculations -- Transformer Current -- 14 Electromagnetic Effect -- Magnetic Flux and Flux Density -- Force on a Current Carrying Conductor Within a Magnetic Field -- 15 Induced e.m.f. -- 16 Self-Inductance -- 17 Mutual Inductance -- 18 Cable Selection -- Disconnection Times for Fuses -- Disconnection Times for Circuit Breakers -- Fusing Factors, Fault Current and Overload -- Short Circuit Current -- 19 Earth Fault Loop Impedance -- Earth Fault Loop Impedance Z[sub(e)] -- Earth Fault Loop Impedance Z[sub(s)] -- 20 Material Costs, Discounts and Value Added Tax -- 21 Electrostatics -- The Parallel Plate Capacitor -- Series Arrangement of Capacitors -- Parallel Arrangement of Capacitors -- 22 Formulae -- 23 Electronic Symbols -- 24 Glossary -- 25 Answers to Exercises -- Exercise 1 -- Exercise 2 -- Exercise 3 -- Exercise 4.

Exercise 5 -- Exercise 6 -- Exercise 7 -- Exercise 8 -- Exercise 9 -- Exercise 10 -- Exercise 11 -- Exercise 12 -- Exercise 13 -- Exercise 14 -- Exercise 15 -- 26 Additional Questions and Answers -- Answers.

In line with the 18th Edition of the Wiring Regulations, it now gives a worked example of resistivity and more on disconnection times for fuses and circuit breakers. For foundation level electrical installation courses, and essential calculations for professionals, with a glossary section, worked examples and questions and answers.

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Electronic reproduction. Ann Arbor, Michigan : ProQuest Ebook Central, 2026. Available via World Wide Web. Access may be limited to ProQuest Ebook Central affiliated libraries.