Chapter 1: Basic Electrical and Electronics Engineering¶
Syllabus: AExE01
Coverage: AExE0101 through AExE0106
Status: VERIFIED first edition
Exam use: Definitions, standard relations, decisive comparisons, and direct calculations
Chapter map¶
| Code | Area | Highest-yield recognition cues |
|---|---|---|
AExE0101 |
Basic concepts | Ohm, KCL/KVL, series/parallel, star/delta, classifications |
AExE0102 |
Network theorems | Source deactivation, equivalents, resonance, AC power |
AExE0103 |
AC fundamentals | Peak/RMS/average, factors, 50 Hz, three phase |
AExE0104 |
Semiconductor devices | Diode, BJT Q-point, MOSFET regions, CMOS |
AExE0105 |
Signal generators | Barkhausen, RC/LC/crystal, waveform generation |
AExE0106 |
Amplifiers | Class A/B/AB, push-pull, tuned stages, op-amps |
Chapter last-revision sheet¶
| Trigger phrase | Immediate association |
|---|---|
| "mesh" or "closed loop" | KVL |
| "node" or "junction" | KCL |
| "only linear circuits" | Superposition |
| "open-circuit terminal voltage" | \(V_{th}\) |
| "short-circuit terminal current" | \(I_N\) |
| "maximum resistive load power" | \(R_L=R_{th}\) |
| "series resonance" | Minimum \(Z\), maximum source current |
| "parallel resonance" | Maximum \(Z\), minimum source current |
| "peak factor" | Peak/RMS |
| "form factor" | RMS/rectified average |
| "Nepal AC" | \(50\ \text{Hz}\), \(20\ \text{ms}\) period |
| "wye/star" | \(V_L=\sqrt3V_{ph}\), \(I_L=I_{ph}\) |
| "delta" | \(V_L=V_{ph}\), \(I_L=\sqrt3I_{ph}\) |
| "around Q-point" | Small-signal linear model |
| "MOSFET low \(V_{DS}\)" | Triode = ohmic = linear region |
| "very high Q/stability" | Crystal oscillator |
| "inductive divider" | Hartley oscillator |
| "capacitive divider" | Colpitts oscillator |
| "crossover distortion" | Class B; reduce with Class AB bias |
| "push-pull" | Power output stage |
| "narrowband RF gain" | Tuned amplifier |
Assigned-question audit¶
The note was checked against set1-001 to set1-006 and set1-061 to
set1-064 without copying the questions into the notes.
| Model target | Supporting note fact | Audit result |
|---|---|---|
set1-001 |
Mesh analysis uses KVL | Supported |
set1-002 |
Matched Thevenin load receives \(50\%\) of ideal-source power | Supported |
set1-003 |
Peak factor is peak/RMS | Supported |
set1-004 |
Enhancement MOSFET: low-\(V_{DS}\) triode, high-\(V_{DS}\) saturation | Supported |
set1-005 |
Crystal resonator has very high \(Q\) | Supported |
set1-006 |
Push-pull is a power-amplifier output arrangement | Supported |
set1-061 |
Superposition requires linearity | Supported |
set1-062 |
Nepal nominal grid frequency is 50 Hz | Supported |
set1-063 |
Small-signal linearization is around the Q-point | Supported |
set1-064 |
Q-point means quiescent point | Supported |
Sources and verification record¶
Accessed and checked on 2026-07-22.
- Nepal Engineering Council, Electronics, Communication and Information
Engineering registration syllabus, represented locally by
syllab.md. - Electricity Regulatory Commission, Nepal Electricity Grid Code, 2080, official publication used as the governing Nepal power-system reference.
- OpenStax, University Physics Volume 2, sections 10.2, 10.3, 10.5, and 15.1-15.5: series/parallel circuits, Kirchhoff laws, RC transients, AC sources, RLC impedance, RMS, power, and resonance.
- Tony R. Kuphaldt, Lessons in Electric Circuits, Volume I, Chapter 10: superposition, Thevenin, Norton, maximum power transfer, and star-delta conversion.
- Tony R. Kuphaldt, Lessons in Electric Circuits, Volume II, Chapters 6, 10, and 11: resonance, three-phase Y/delta relations, and AC power.
- Tony R. Kuphaldt, Lessons in Electric Circuits, Volume III, Chapters 1, 3, 4, 6, 8, and 9: active/passive devices, diodes, BJTs, MOSFETs, amplifier bias/classes, feedback oscillators, and op-amps.
The model paper set1.yaml was used only to audit emphasis and wording. Where a
model stem is imprecise, the note follows the technical source and states the
necessary condition explicitly.