ANNA University Electromagnetic Theory
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UNIT II ELECTROSTATICS 10
Coulomb’s Law – Electric field intensity – Field due to point and continuous charges – Gauss’s law and application – Electric potential – Electric field and equipotential plots – Electric field in free space, conductors, dielectric -Dielectric polarization - Dielectric strength - Electric field in multiple
dielectrics – Boundary conditions, Poisson’s and Laplace’s equations – Capacitance- Energy density.
UNIT III MAGNETOSTATICS 9 Lorentz Law of force, magnetic field intensity – Biot–savart Law - Ampere’s Law – Magnetic field due to straight conductors, circular loop, infinite sheet of current – Magnetic flux density (B) – B in free space, conductor, magnetic materials – Magnetization – Magnetic field in multiple media – Boundary conditions – Scalar and vector potential – Magnetic force – Torque – Inductance – Energy density –Magnetic circuits.
UNIT IV ELECTRODYNAMIC FIELDS 8
Faraday’s laws, induced emf – Transformer and motional EMF – Forces and Energy in quasistationary Electromagnetic Fields - Maxwell’s equations (differential and integral forms) –Displacement current – Relation between field theory and circuit theory.
UNIT V ELECTROMAGNETIC WAVES 9
Generation – Electro Magnetic Wave equations – Wave parameters; velocity, intrinsic impedance,propagation constant – Waves in free space, lossy and lossless dielectrics, conductors-skin depth,Poynting vector – Plane wave reflection and refraction – Transmission lines – Line equations – Input
impedances – Standing wave ratio and power.
UNIT I INTRODUCTION 8
Sources and effects of electromagnetic fields – Vector fields – Different co-ordinate systems- vector calculus – Gradient, Divergence and Curl - Divergence theorem – Stoke’s theorem.
Sources and effects of electromagnetic fields – Vector fields – Different co-ordinate systems- vector calculus – Gradient, Divergence and Curl - Divergence theorem – Stoke’s theorem.
UNIT II ELECTROSTATICS 10
Coulomb’s Law – Electric field intensity – Field due to point and continuous charges – Gauss’s law and application – Electric potential – Electric field and equipotential plots – Electric field in free space, conductors, dielectric -Dielectric polarization - Dielectric strength - Electric field in multiple
dielectrics – Boundary conditions, Poisson’s and Laplace’s equations – Capacitance- Energy density.
UNIT III MAGNETOSTATICS 9 Lorentz Law of force, magnetic field intensity – Biot–savart Law - Ampere’s Law – Magnetic field due to straight conductors, circular loop, infinite sheet of current – Magnetic flux density (B) – B in free space, conductor, magnetic materials – Magnetization – Magnetic field in multiple media – Boundary conditions – Scalar and vector potential – Magnetic force – Torque – Inductance – Energy density –Magnetic circuits.
UNIT IV ELECTRODYNAMIC FIELDS 8
Faraday’s laws, induced emf – Transformer and motional EMF – Forces and Energy in quasistationary Electromagnetic Fields - Maxwell’s equations (differential and integral forms) –Displacement current – Relation between field theory and circuit theory.
UNIT V ELECTROMAGNETIC WAVES 9
Generation – Electro Magnetic Wave equations – Wave parameters; velocity, intrinsic impedance,propagation constant – Waves in free space, lossy and lossless dielectrics, conductors-skin depth,Poynting vector – Plane wave reflection and refraction – Transmission lines – Line equations – Input
impedances – Standing wave ratio and power.
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