GTU BE 2020 Summer Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER- IV EXAMINATION — SUMMER 2020
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Subject Code: 3141009 Date:04/11/2020
Subject Name: Electromagnetic Theory
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks
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| MARKS | |
| Q.1 (a) Define 1) Divergence, 2) Gradient and 3) Curl | 03 |
| (b) Explain Dot Product and Cross Product with examples. | 04 |
| (c) Explain the Spherical Coordinate System in detail | 07 |
| Q.2 (a) Explain Electric Field Intensity. | 03 |
| (b) Discuss Divergence Theorem. | 04 |
| (c) Explain Biot-Savart Law | 07 |
| OR | |
| (c) Explain Ampere’s Circuital Law | 07 |
| Q.3 (a) Define Faraday’s Law. | 03 |
| (b) Discuss Displacement Current. | 04 |
| (c) Explain Maxwell’s Equations in Point Form | 07 |
| OR | |
| Q.3 (a) Define Stoke’s theorem. | 03 |
| (b) Write Short note on The Retarded Potentials | 04 |
| (c) Explain Maxwell’s Equations in Integral Form | 07 |
| Q.4 (a) Explain Wave Propagation in Free Space | 03 |
| (b) Discuss Wave Propagation in Direction | 04 |
| (c) Explain Poynting’s Theorem and Wave Power with equations. | 07 |
| OR | |
| Q.4 (a) Explain Skin Effect | 03 |
| (b) Write short note Standing Wave Ratio | 04 |
| (c) Explain Wave Propagation in Dispersive Media | 07 |
| Q.5 (a) Define Physical description of Transmission Line Propagation. | 03 |
| (b) Explain Transmission lines parameters. | 04 |
| (c) Explain Pulse Broadening in Dispersive Media. | 07 |
| OR | |
| Q.5 (a) Define Reflection Coefficient. | 03 |
| (b) Explain Applications of Transmission Lines. | 04 |
| (c) Write a short note on Smith Chart | 07 |
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