An insulating rod of length L has a charge -q uniformly distributed along its length as shown in the figure. a) What is the linear charge density of the rod? b) Determine the electric field at point P located at a distance a from its end. c) If P were much further from the bar than L, it would appear to be a point load. Show that your answer b) reduces to the electric field of a Point charge a >> L

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An insulating rod of length L has a charge -q uniformly distributed along its length as shown in the figure. a) What is the linear charge density of the rod? b) Determine the electric field at point P located at a distance a from its end. c) If P were much further from the bar than L, it would appear to be a point load. Show that your answer b) reduces to the electric field of a Point charge a >> L

8.-
Una varilla aislante de longitud L tiene una carga – q uniforme-
mente distribuida a lo largo de su longitud, como se muestra en
la figura
lla? b) įDetermine el campo cléctrico en el punto P situado a
una distancia a del extremo de ella. c) Si P estuvicra mucho más
lejos de la varilla que L, ésta parecería una carga puntual. De-
muestre que su respuesta a b) se reduce al campo eléctrico de
una carga puntual a > L
a) ¿Qué densidad de carga lineal tiene la vari-
-4
Transcribed Image Text:8.- Una varilla aislante de longitud L tiene una carga – q uniforme- mente distribuida a lo largo de su longitud, como se muestra en la figura lla? b) įDetermine el campo cléctrico en el punto P situado a una distancia a del extremo de ella. c) Si P estuvicra mucho más lejos de la varilla que L, ésta parecería una carga puntual. De- muestre que su respuesta a b) se reduce al campo eléctrico de una carga puntual a > L a) ¿Qué densidad de carga lineal tiene la vari- -4
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