Electricity & Magnetism

HKDSE Physics in 24 Hours

by Simon Poon

Electricity and Magnetism

First edition - September 2013

978-962-7326-74-8


Introduction

Electricity and Magnetism is the fourth among the several volumes of Physics in 24 Hours series, which is specially written for students who sit for the HKDSE Physics Examination. Notes and examples in this book are in line with the latest fine-tuned syllabus of HKDSE Physics Examination (2016 onwards). Detailed and comprehensive explanations on difficult concepts are given in this book. The point-form notes are the ultimate quick revision tool for students. Multiple choice questions at the end of every topic provide an effective way in checking study progress. Bonus mock examination questions on the topic “Electricity and Magnetism” are provided at the end of the book. These questions are tailor-made in resemblance to the style and format of their public exam counterparts.

Contents

Topic 1 - Electrostatics

1.1 Electric charges

1.2 Electric field

1.3 Electric potential energy and potential difference

1.4 Phenomena and applications related to electrostatics

Topic 2 - Circuits And Domestic Electricity

2.1 Electric current, electrical energy and electromotive force

2.2 Resistance

2.3 Simple circuits

2.4 Electrical power

2.5 Domestic electricity

Topic 3 - Electromagnetism

3.1 Magnetic force and magnetic field

3.2 Magnetic effect of electric current

3.3 Current-carrying conductor in magnetic field

3.4 Hall probe

Topic 4 - Electromagnetic Induction

4.1 Induced e.m.f. resulting from a moving conductor in a magnetic field

4.2 Magnetic flux

4.3 Induced e.m.f. resulting from a stationary conductor in a changing magnetic field

4.4 Lenz’s law

4.5 Faraday’s law of electromagnetic induction

4.6 Simple a.c. and d.c. generator

4.7 Eddy currents

4.8 Alternating current

4.9 Transformers

4.10 High voltage transmission of electrical energy

Supplementary document

Corrigenda <applicable to the September 2013 print run>

P24_Book4_Corrigenda.pdf