PAPER II: ELECTROMAGNETICS UNIT I: Scalar and Vector Fields Concept of Field, Scalar and Vector Fields, Gradient of scalar field, Physical significance and formalism of Gradient, Divergence and Curl of a vector field in Cartesian co- ordinates system, Problems based on Gradient, Divergence and curl operators.if Concept of Solid angle, Gauss divergence and Stoke's theorem. Gauss law from inverse square law. Differential form of Gauss law. UNIT II : Field of stationary and moving charges Potential energy of system of (i) Discrete N-charges (ii) Continuous charge distribution. Energy required to built a uniformly charged sphere, classical radius of electron, Electric field due to a short electric dipole, Interaction of electric dipole with external uniform and non uniform electric field, potential due to a uniformly charged spherical shell. Poisson's and Laplace equations in Cartesian co-ordinates and their applications to solve the pr...
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