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We have known how can describe the electric field in vacuum. How is the electric field in a matter environment? In this chapter we consider the case that the environment is a nonconducting material Recall that in a conducting body (conductor) the charges move freely in respond to an electric field, but in nonconducting bodies the charges can not move freely. Nonconducting bodies are called dielectrics or insulators. | GENERAL PHYSICS II Electromagnetism Thermal Physics 1 29 2008 1 Chapter VIII Dielectrics 1. Induced charges and polarization of dielectrics 2. Molecular model of induced charges 3. Piezoelectric effect 1 29 2008 2 We have known how can describe the electric field in vacuum. How is the electric field in a matter environment In this chapter we consider the case that the environment is a nonconducting material Recall that in a conducting body conductor the charges move freely in respond to an electric field but in nonconducting bodies the charges can not move freely. Nonconducting bodies are called dielectrics or insulators. 1 29 2008
