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Electromagnetic Field Theory and Transmission Lines by G. S. N. Raju

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Chapter 3

Steady Magnetic Fields

Steady magnetic fields are produced by steady currents.

The main objective of this chapter is to provide detailed concepts of magnetostatics. They include:

  • applications of magnetostatic fields
  • Faraday’s induction law, Biot-Savart law, Ampere’s circuit law, Ampere’s force laws for current elements
  • force on current element and between current elements Lorentz force equation
  • Boundary conditions, scalar and vector magnetic potentials
  • fields in magnetic materials
  • inductances
  • energy stored in magnetic field and inductors
  • comparison between electric and magnetic parameters/circuits
  • points/formulae to remember, objective and multiple choice questions and exercise problems.
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