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Video tutorials - B.E. Applied Physics 1: Dieletctrics and Magnetic Materials (University of Mumbai)

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shaalaa.com | Dielectric material, dielectric constant

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Dielectric material, dielectric constant [00:14:31]
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Description

  • Dielectric material, dielectric constant, polarization, polarizability & its types;
  • relative permittivity;
  • Piezoelectrics, Ferroelectrics, Applications of dielectric materials - Requirement of good insulating material, some important insulating material.
  • Origin of magnetization using Atomic Theory;
  • classification of magnetic materials based on Susceptibility value;
  • Qualitative treatment of Langevin’s and Weiss equation for Dia, Para and Ferro magnetic materials (no derivation);
  • Microstructure of ferromagnetic solids- Domains and Hysteresis loss;
  • Soft & hard magnetic materials and their uses;
  • Magnetic circuits and microscopic Ohm’s Law.
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