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Current and Resistance
Current Density at Conductivity Boundaries
Description
Current density at a boundary changes when two conducting materials have different electrical conductivities. The normal component of current density stays continuous across the interface. The tangential component, which runs along the surface, becomes discontinuous across the boundary.
Consider ...
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Transcript
La densidad de corriente se vuelve discontinua a través de una interfaz que tiene diferentes conductividades eléctricas.
Para corrientes constantes, la divergencia de la densidad de corriente es cero. Por lo tanto, el componente normal de la densidad de corriente es continuo a través del límite.
Recordemos que la componente tangenc...
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