Electromagnetic Fields and WavesOnly 30% Of This Book Deals With Theory, The Rest Of It Is Application Of This Theory To Various Situations Of Different Levels Of Complexity. In Each Case The Reason For The Choice Of The Method Is Explained, And Various Doubts Which Assail The Minds Of Most Students Have Been Tackled. The Solved Examples In The Book Do Not Deal With Mere Substitution Of Numerical Values Of Formulae. They Are Aimed At Establishing A Strong Foundation Of Knowledge.All The Required Mathematics Has Been Explained In The First Chapter To Avoid The Need To Refer Frequently To Other Books In Mathematics. At The End Of Each Chapter A Summary Of The Achievements Is Given Along With Comments On The Nature Of Difficulties Encountered, And The Reader Is Thereafter Prepared For The Objectives To Be Attained In The Following Chapter. The Emphasis Throughout The Book Is On A Physical Understanding Of Fields And Waves And Their Characteristics, Rather Than Getting Lost In A Maze Of Mathematical Manipulations.This Is An Introductory Textbook Intended To Give The Reader A Solid Grounding In The Subject And To Prepare Him To Deal With More Advanced Texts. The Material Has Been Tested In One-Semester Courses Given By The Author In Various Colleges In Pune. |
Contents
Needed Mathematics | 1 |
1 | 9 |
1 | 20 |
15 | 34 |
Coulombs Law and Static Electric Fields | 44 |
10 | 58 |
15 | 70 |
Potential and Its Gradient | 81 |
Poissons Equation and | 178 |
Conductors and Dielectrics | 203 |
Magnetostatics | 217 |
6 | 223 |
22 | 247 |
5 | 254 |
Maxwells Equations | 267 |
Timevarying Fields | 281 |
4 | 89 |
11 | 98 |
6 | 107 |
9 | 113 |
12 | 120 |
14 | 131 |
21 | 142 |
Method of Images | 148 |
6 | 154 |
5 | 290 |
8 | 296 |
Waves at Boundary between | 308 |
The Poynting Vector | 328 |
5 | 334 |
Guided Waves and Wave Guides | 343 |
Antenna and Antenna Arrays | 374 |
Propagation Characteristics of | 414 |
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Common terms and phrases
amplitude antenna array assume axis boundary C₁ C₂ capacitor centre charge density charge Q circle circuit co-ordinates components conducting plane conductor constant coulomb Coulomb's Law curl curve cylinder dielectric differential dipole direct current direction lines displacement distance E₂ earth electric charges electric field intensity electron electrostatic enclosed equation equipotential surface field map flow frequency Gauss's law Gaussian surface give given by Eq H₁ H₂ Hence image charge Imax infinitely long inside ionosphere Laplace's equation layer length line integral located loge magnetic field intensity magnetic flux magnetic potential magnitude medium metre negative P₁ parallel perpendicular point charge positive potential Poynting vector R₁ radius result scalar shown in Fig shows side sinh solution space sphere spherical uniform uniformly charged varying velocity volume waveguide z-axis λο მყ