CONTENTS 1
Lesson One 1
Text：What Is Electricity？ 1
Extensive Reading：Electric Current 10
Lesson Two 15
Text：Electrical Energy and Power—Electric Circuits 15
Extensive Reading：What a Circuit Is 26
Lesson Three 31
Text：Electrons in Motion 31
Extensive Reading：Shifting Electrons 43
Lesson Four 49
Text：Magnetism 49
Extensive Reading：Magnetism 58
Lesson Five 63
Text：Elementary Generators 63
Extensive Reading：Elementary Generator Operation 72
Lesson Six 76
Text：Transformers 76
Extensive Reading：Transformers 87
Lesson Seven 93
Text：Electromagnetic Waves 93
Extensive Reading：Electromagnetic Waves 103
Lesson Eight 110
Text：Electronics—A Tool for Industry 110
Extensive Reading：Electronics 117
Text：Television：The Modern Wonder of Electronics 122
Lesson Nine 122
Extensive Reading：Television 134
Lesson Ten 138
Text：Electronic Computers 138
Extensive Reading：The Use of Computers 149
Lesson Eleven 156
Text：Radar How Radio-wave Echoes Serve Man 156
Extensive Reading：Radar Operation 168
Lesson Twelve 173
Text：Communication Satellites 173
Extensive Reading：Revolution in Communications 184
Text：Advantages of ICs 190
Lesson Thirteen 190
Extensive Reading：Microminiaturization 201
Lesson Fourteen 206
Text：Microelectronics 206
Extensive Reading：Reliability Problems of the Electronic System 216
Supplementary Reading 224
Ⅰ． A Self-introduction of an“Electron” 224
Ⅱ．Electrical Power Systems 229
Ⅲ．The Progress in Electronics 235
Ⅳ．Semiconductors and Transistors 243
Ⅴ．The Computer：Its Promise for the Future 250
Ⅵ．The Life of Michael Faraday 256
附录：词汇总表 267