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Universidad Católica de Santa María Facultad de Arquitectura e Ingeniería Civil y del Ambiente TAREA N° Fecha: 30 / 05 /18 Día: Miércoles Nota: Asignatura Física: Electricidad y Magnetismo Docente: Juan Ramón Díaz Escuela: Ing. Civil Tema Cuestionario previo N°12 Grupo: 01 Horario: 5:00-7:00pm Apellidos y Nombres Código del Estudiante: 1. Para un circuito R-C simple, enuncie las ecuaciones que describen la variaci ó n de la carga q y corriente I en funci ó n del tiempo. q ( t ) = Q e t / RC I ( t ) = I 0 e t / RC 2. Demuestre que la diferencia de potencial en el capacitor Vc   y en la resistencia VR, est á  dado por: y   Teniendo en cuenta que la intensidad se define como la carga que atraviesa la secci ó n del circuito en la  unidad de tiempo,   i=dq/dt , tendremos la siguiente ecuaci ó n para integrar Derivando con respecto al tiempo, obtenemos la intensidad en funci ó n del tiempo

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