Road Map for Electromagnetics
1. Electrostatics
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Coulombs Force Law, Electric Field (E) and permeativity (e)
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Gauss’s Law
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Electric Scalar Potential, Voltage (V)
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Capacitance
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Stored Energy in the E Field
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Interesting Link
2. Steady Current, Amperes (A)
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Current Density (J)
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Ohm’s Law and conductivity (s)
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Resistance
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Joules Law, Thermal Energy Loss
3. Magnetostatics
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Magnetic Force, Magnetic Field (H) and permeability (m)
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Biot-Savart Law and Ampere’s Law
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Magnetic Vector Potential (A)
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Inductance
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Stored Energy in the H Field
4. Transmission Lines
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Equivalent circuit, solution of the 1-D Wave equation
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Transient Waves
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Steady State Waves, Impedance, Reflection, SWR (Phasor Notation)
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Impedance Matching
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Smith Chart
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Interesting
Link
5. Time Varying EM Fields
5.1 Faraday’s Law
5.2 Maxwell’s Displacement Current
5.3 Maxwell’s Equations, arbitrary time variation
5.4 Maxwell’s Equations, periodic time variation
6. Uniform Plane Waves, Unbounded Space
6.1 Wave Equation, unbounded space
6.2 Poynting Vector
6.3 Media Characterization (ideal/good/semi/dielectric/conductor)
6.4 Normal Incidence at Media Interface
6.5 Oblique Incidence
7. Hollow Waveguides and Fiber Optics
7.1 Dispersion and Spatial Modes
7.2 Guide Wavelength and Characteristic Impedance
8. Antennas
8.1 Hertzian (infinitesimal) Dipole
8.2 Radiation Pattern, Radiation Resistance, Gain
8.3 Dipole Antenna, L>0.1l