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17-Phys-A3 Electromagnetics: May 2016

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

  1. Question 1 Step Response of a Transmission Line Feeding a Resistive Load
  2. Question 2 Standing Wave Ratio and Real-Impedance Point on a Line Feeding a Complex Load
  3. Question 3 Polarization of Two In-Phase, Counter-Propagating Orthogonally Polarized Plane Waves
  4. Question 4 Shortest and Longest Guide Wavelengths in a Rectangular Waveguide
  5. Question 5 Inductance and Stored Energy of a Partially Ferromagnetic-Cored Solenoid
  6. Question 6 Per-Unit-Length Parameters of a Parallel-Strip Transmission Line
  7. Question 7 Propagation Velocity and Loss of a Low-Loss Transmission Line
  8. Question 8 Magnetic Field of a Short Vertical Radiating Element

Start with Question 1 →

98-Phys-A3, Electromagnetics — National Exam, May 2016. 3-hour closed-book exam (Casio or Sharp approved calculators only); any FIVE of the eight questions constitute a complete paper and only the first five as they appear in a candidate's answer book are marked, each of equal value. Aids given on the paper: ε0 = 8.85×10-12 F/m, μ0 = 4π×10-7 H/m. All eight printed questions are solved below as a complete study resource.

Reference texts: Sadiku, Elements of Electromagnetics (7th ed.) — transmission lines, waveguides, plane waves, antennas; Hayt & Buck, Engineering Electromagnetics (9th ed.) — transmission-line transients; Pozar, Microwave Engineering (4th ed.) — Smith-chart-free impedance transformation and waveguide cutoff; Balanis, Antenna Theory (4th ed.) — short-dipole far field.