《电和磁》

CONTENTS1

1．Electricity　电1

2．First Principles of Electricity　电的基本概念3

3．The Electron Theory of Atoms　原子的电子论5

4．What Is an Electric Charge?　电荷是什么？8

5．Charging by Induction 感应起电10

6．Conductors,Insulators and Semiconductors13

导体、绝缘体和半导体13

7．Electrical Potential　电位16

8．Electric Field　电场19

9．Electric Current and Electron Currents　电22

流和电子流22

10．An Electric Circuit　电路25

11．The Ampere　安培29

12．The Ohm　欧姆31

13．Resistance and Resistivity　电阻和电阻率33

14．The Volt　伏特36

15．Potential Difference and Electromotive Force38

电位差和电动势38

16．Ohm s Law　欧姆定律41

17．Resistances in Series and Parallel　串联电阻44

和并联电阻44

18．The Capacitor　电容器46

19．Kirchhoff s Laws　基尔霍夫定律50

20．Effects of Electric Current　电流的效应53

21．Magnets and Magnetic Fields　磁铁和磁场57

22．The Nature of Magnetism　磁的性质60

23．Lines of Force and Magnetic Circuit　磁力63

线和磁路63

24．Field around a Current-carrying Conductor67

载流导体周围的磁场67

25．Electromagnetic Induction　电磁感应71

26．Inductance　电感74

27．Lenz s Law　楞次定律77

28．The Transformer　变压器80

29．The Electric Motor　电动机83

30．The Electric Generator　发电机88

器件的基本原理91

31．Basic Elements of Electronic Devices　电子91

32．Applications of Electron Devices　电子器件的96

应用96

33．Vacuum Tubes　真空管100

34．Cathode-ray Tubes　阴极射线管104

35．The Oscilloscope　示波器108

36．The PN Junction　PN结112

37．Transistors　晶体管117

38．The Silicon Controlled Rectifier(SCR)　硅可123

控整流器123

39．Microelectronics　微电子学126

40．The Integrated Circuit Concept　集成电路的概念129

参考译文133

词汇、习语总表166