Anna University , Chennai
Department of B.E-Electrical and Electronics Engg
Third Semester
Electromagnetic Theory
UNIT -1
ELECTROMAGNETIC FIELD CONCEPT
ELECTROSTSTIC FIELD
MAGNETIC STATIC FIELD:
MAXWELL’s EQUATION
ELECTROMAGNETIC WAVES
ELECTROMAGNETIC FIELD CONCEPT
- Vector Analysis
- Coordinate system
- Types
- Parameters of co-ordinate system
- Problems
- Differential Operator
- Properties
- Condition of divergence and curl:
- Problems
- STOKES’S THEOREM
- DIVERGENCE THEOREM
- Proof
- Problems
ELECTROSTSTIC FIELD
- Columb’s law
- Problems
- Continuous distribution of charge:
- Electric field intensity
- Potential difference:
- Absolute potential:
- Conservative field
- Problems
- GUASS LAW:
- Proof
- Poisson’s and laplace’s equation:
- Laplace equation
- Electric field intensity between two shells
- Potential between two concentric circles
- Co-axial cylinder
- Capacitors and capacitance:
- Electrostatic energy
- Energy density
- Method of images
- Polarization:
- Boundary condition:
- Proof
- Dielectric strength
MAGNETIC STATIC FIELD:
- Magnetic flux
- Magnetic flux density (b)
- Relation between magnetic flux density B and H
- Magnetic field intensity (H)
- Magnetic gauss law
- Biot-savart’s law
- Ampere’s law
- Application of biot-savart’s law
- MAGNETIC POTENTIAL:
- Scalar magnetic potential:
- Vector magnetic potential:
- Boundary condition
- Proof
- Magnetic dipole
- COUPLED CIRCUITS
- Electromagnetic induction:
- Faraday’s 1st law
- Faraday’s 2nd law
- Self induction
- Mutual induction
- Coefficient of coupling
- Inductance of toroid:
- Inductance of two transmission line:
MAXWELL’s EQUATION
- Maxwell’s equation-1
- Ampere critical law
- Maxwell’s eqation-2
- Faraday’s law
- Maxwell’s eqution-3
- Electric gauss law
- Maxwell’s equation-4
- Magnetic gauss law
- Problems
- Comparison between circuit theory and field theory
ELECTROMAGNETIC WAVES
- Wave
- Plan wave
- Transverse electromagnetic wave equation (TEM)
- Characteristic impedance
- Pointing theorem
- Slepian vector (N)
- Loss tangent or dissipation factor:
- Depth of penetrationskin depth)
- Reflection co-efficient:
- Transmission co-efficient:
- Wave incident obliquely on a perfect dielectric
- Vertical polarization
- Horizontal polarization