16 mark questions
in “ELECTROMAGNETIC FIELDS "
based on Anna University syllabus.
STATIC
ELECTRIC FIELDS
- Rectangular ,Cylindrical and Spherical Coordinate System
- Coulomb’s Law in Vector Form
- Principle of Superposition
- Electric Field due to charges distributed uniformly on an infinite and finite line
- Electric Field due to an infinite uniformly charged sheet.
- Potential due to infinite uniformly charged line
- Potential due to electrical dipole
- Gauss Law and its Applications.
STATIC
MAGNETIC FIELD
- Magnetic Field intensity due to a finite and infinite wire carrying a current I
- Magnetic field intensity on the axis of a circular and rectangular loop carrying a current I.
- The Lorentz force equation for a moving charge and applications
- Ampere’s circuital law .
- Force on a wire carrying a current I placed in a magnetic field .
ELECTRIC AND
MAGNETIC FIELDS IN MATERIALS
- Poisson’s and Laplace’s equation
- Electric Polarization
- Boundary conditions for electric fields
- point form of ohm’s law
- continuity equation for current.
- Nature of magnetic materials
- magnetic boundary conditions.
TIME VARYING
ELECTRIC AND MAGNETIC FIELDS
- Faraday’s law
- Maxwell’s Second Equation in integral form from Faraday’s Law
- Ampere’s circuital law in integral form
- Maxwell’s four equations in integral form and differential form.
- Poynting Vector and the flow of power
- Power flow in a co-axial cable
ELECTROMAGNETIC
WAVES
- Derivation of Wave Equation
- Propagation in good conductors
- Skin effect.
- Linear, Elliptical and circular polarization
- Reflection of Plane Wave from a conductor
- Brewster angle.
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