73 A nonconducting solid sphere has a uni- form volume charge density p. Let 7 be the vector from the center of the sphere to a gen- eral point P within the sphere. (a) Show that the electric field at P is given by E = pr13eg. (Note that the result is independent of the ra- dius of the sphere.) (b) A spherical cavity is hollowed out of the sphere, as shown in Fig. 23- 60. Using superposition concepts, show that the electric field at all points within the cavity is uniform and equal to E = päl3eg, where a is the position vector from the center of the sphere to the center of the cavity. Figure 23-60 Problem 73. to

73 A nonconducting solid sphere has a uni- form volume charge density p. Let 7 be the vector from the center of the sphere to a gen- eral point P within the sphere. (a) Show that the electric field at P is given by E = pr13eg. (Note that the result is independent of the ra- dius of the sphere.) (b) A spherical cavity is hollowed out of the sphere, as shown in Fig. 23- 60. Using superposition concepts, show that the electric field at all points within the cavity is uniform and equal to E = päl3eg, where a is the position vector from the center of the sphere to the center of the cavity. Figure 23-60 Problem 73. to

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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