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17-Phys-A3 Electromagnetics: December 2016

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

  1. Question 1 Terminal Voltage of a Matched Pulse Generator on a Mismatched Line
  2. Question 2 Parallel Short-Circuited and Open-Circuited Stub Termination
  3. Question 3 Characteristic Impedance of a Coaxial Line with a Partial Dielectric Coating
  4. Question 4 Polarization of Two Orthogonal Plane Waves
  5. Question 5 EMF of a Rotating Direction-Finding Loop Antenna
  6. Question 6 Lowest Resonant Frequencies of a Rectangular Waveguide Cavity
  7. Question 7 Torque on a Current Loop in a Uniform Field
  8. Question 8 Power Density Radiated by a Short Horizontal Current Element

Start with Question 1 →

98-Phys-A3, Electromagnetics — National Exam, December 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.) — transmission-line theory and stub matching; Balanis, Antenna Theory (4th ed.) — short-dipole far field.