1. Circuit Theory & Network Analysis Nodal analysis, voltage sources, series/parallel circuits, delta-star — Questions 2, 3, 31, 32, 100 Count: ~5 questions
2. Electromagnetic Fields & Waves Maxwell’s equations, wave equation, Poynting vector, waveguides — Questions 4, 5, 6, 7, 8, 9, 10, 76 Count: ~8 questions
3. Signals & Systems Fourier series, signal energy, LTI systems, Z-transform, sampling — Questions 1, 11, 13, 14, 17, 20, 21, 59, 80, 82 Count: ~10 questions
4. Communication Systems AM, FM, DSB, VSB, DPSK, delta modulation, PCM, TDM, noise — Questions 12, 15, 16, 18, 19, 60, 62, 63, 64, 65, 67, 68, 69, 71, 72, 73, 74 Count: ~17 questions
5. Analog Electronics Transistors, BJT, amplifiers, rectifiers, OP-AMP, diodes, MOSFET — Questions 56, 57, 58, 75, 85, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99 Count: ~17 questions
6. Semiconductor Devices & Physics PN junction, energy gap, carrier mobility, LED, semiconductor properties — Questions 40, 41, 42, 43, 44, 45, 46, 83, 84, 86, 88 Count: ~11 questions
7. Digital Electronics Number systems, logic gates, flip-flops, ADC/DAC, counters, multiplexers — Questions 22, 23, 25, 26, 27, 28, 29, 47, 48, 49, 50, 51, 52, 70 Count: ~14 questions
8. Microprocessors & Computer Architecture Intel 8085/8086, program counter, subroutines, memory — Questions 24, 53, 54, 55 Count: ~4 questions
9. Passive Components & AC Circuits Capacitors, inductors, Q-factor, transformers, tuned circuits, filters — Questions 30, 33, 36, 37, 38, 39, 61, 66 Count: ~8 questions
10. Electrical Measurements Instruments, ammeter, voltmeter, ohmmeter, shunt resistor — Questions 34, 35 Count: ~2 questions
11. Antennas & Microwave Antennas, radar, image frequency, microwave diodes, fiber optics — Questions 77, 78, 79, 81 Count: ~4 questions
Summary Table
| Topic | No. of Questions |
|---|---|
| Communication Systems | 17 |
| Analog Electronics | 17 |
| Digital Electronics | 14 |
| Semiconductor Devices & Physics | 11 |
| Signals & Systems | 10 |
| Electromagnetic Fields & Waves | 8 |
| Passive Components & AC Circuits | 8 |
| Circuit Theory & Network Analysis | 5 |
| Microprocessors & Computer Architecture | 4 |
| Antennas & Microwave | 4 |
| Electrical Measurements | 2 |
| Total | ~100 |
Communication Systems and Analog Electronics jointly dominate at ~17 questions each, together covering 34% of the paper. Digital Electronics and Semiconductor Physics follow as major contributors, reflecting the core electronics engineering focus of this paper.
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