Displaying similar documents to “Continuum thermodynamics of two dimensional liquid crystals.”

Remarks on balance laws in electromagnetism

Angelo Morro (1993)

Atti della Accademia Nazionale dei Lincei. Classe di Scienze Fisiche, Matematiche e Naturali. Rendiconti Lincei. Matematica e Applicazioni

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Two aspects of balance equations in electromagnetism are considered. First, concerning Faraday's law and Ampere's law it is emphasized that appropriate treatment of the time derivative of an integral over a time-dependent surface eliminates ambiguities occurring in various presentations of the subject. Second, standard forms of energy balance are shown not to be equivalent in the case of materials with memory.