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NATIONAL OPEN UNIVERSITY OF NIGERIAPlot 91, Cadastral Zone, Nnamdi Azikwe Express Way, Jabi-Abuja
FACULTY OF SCIENCEOctober\November Examination 2016
Course Code: MTH417 Course Title: Electromagnetic Theory Credit Unit: 3Time Allowed: 3 HoursTotal: 70 MarksInstruction: Answer Any 4 Questions
1. (a) Briefly explain Lorentz force (7 ½ marks)
(b) Explain what constitutive relations in electromagnetic (4 marks)
(c) State the three fundamental constitutive relationships that describe electromagnetic input
(6 marks)
2. (a) State Maxwell’s equations (5 ½ marks)
(b) Explain briefly four Maxwell equations (12 marks)
3. (a) State Gauss’s divergence theorem and express it mathematically (9 marks)
(b) State Stokes theorem and express it mathematically (8 ½ marks)
4. (a) Explain Faraday’s electromagnetic induction (9 ½ marks)
(b) State the four Maxwell’s macroscopic equations. (8 marks)
5. (a) Define Electromagnetic wave equation (5 marks)
(b) Derive wave equation for the electric field (12 ½ marks)
6. (a) Apply Gauss’s divergence theorem to the first two Maxwell’s equations. Compare
their resulting equations (17 ½ marks)