CONTENTS                                          PAGE NO

1. RADIO COMMUNICATION …………………………… 5
2. TELEVISION TRANSMISSION……………………… 35
3. ANTENNA AND WAVE PROPAGATION ……….. 65
4. MODULATION AND DEMODULATION ………… 80
5. DIGITAL MODULATION AND DEMODULATION 90
6. MOBILE COMMUNICATION……………………………….95
7. ELECTRICAL AND ELECTRONICS GADGETS. 105
8. BASIC ELECTRICITY……………………………………….110
9. AC CIRCUITS…………………………………………………..120
10. MAGNETISM…………………………………………………….130
11. TRANSFORMER………………………………………………140
12. WIRING……………………………………………………………..150
13. ILLUMINATION…………………………………………………160
14. D.C. GENERATOR…………………………………….. 170
15. AC 3 PHASE MOTOR………………………………… 180
16. COMPUTER AND INFORMATION TECHNOLOGY…. 190
17. RENAISSANCE IN KERALA……………………….. 270
18. GENERAL KNOWLEDGE & CURRENT AFFAIRS….. 300
19. PREVIOUS QUESTION PAPER……………………. 352
20. MODEL EXAMINATION NO. 1……………………… 361
21. MODEL EXAMINATION NO. 2…………………………..372
22. MODEL EXAMINATION NO. 3………………………….383
23. MODEL EXAMINATION NO. 4………………………….394
24. MODEL EXAMINATION NO. 5……………………… 404