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04-BS-4: Undated paper

Nivaar worked solution (AI-drafted; not reviewed by a licensed engineer)

  1. Question 1 DC Resistive Network — KCL, KVL, Branch Current and Source Power
  2. Question 2 Thévenin Equivalent and Maximum Power Transfer
  3. Question 3 First-Order RC Switching Transient
  4. Question 4 Sinusoidal Steady State — Phasors and Capacitor Current
  5. Question 5 Magnetic Circuit — Reluctance, MMF, Flux Density and Armature Force
  6. Question 6 Full-Wave Bridge Rectifier and RC Low-Pass Filter Design
  7. Question 7 Combinational Logic Design — Wind Turbine Pitch Controller

Start with Question 1 →

National Exam — 04-BS-4 Electric Circuits and Power — undated sitting (internal evidence places it at May 2019). 3 hours, closed book, one double-sided aid sheet, approved Casio/Sharp calculator only. The exam instructs "any five questions constitute a complete paper" — all seven are solved below as a complete study resource.

Reference texts: Sadiku, Fundamentals of Electric Circuits (7th ed.) — Ch. 2–4 (resistive circuits, node/mesh analysis, Thévenin/Norton, maximum power transfer), Ch. 7 (first-order RC/RL transients), Ch. 9–10 (sinusoidal steady state, phasors, AC power); Chapman, Electric Machinery Fundamentals (5th ed.) — Ch. 1 (magnetic circuits, reluctance, fringing, force on an armature); Sadiku, Elements of Electromagnetics — Ch. 5, 8 (magnetic energy and force); Mano & Ciletti, Digital Design — Ch. 2–3 (Boolean algebra, combinational logic design).