Answer each of the questions below. 1. A sphere of radius a has a negative charge -Q uniformly distributed over its surface. It is surrounded by a sphere of radius b with a positive charge +2Q uniformly distributed over its surface. Write an equation for the electric field at a point r that lies in the region between these two spheres. Include direction. Note that your answer may include some or all of the parameters: Q, r, a, b and E . 2. In the problem above, what is the equation for the electric field at a point r that lies outside both spheres (r>b). Note that your answer may include some or all of the parameters: Q, r, a, b and ɛ,.

Answer each of the questions below. 1. A sphere of radius a has a negative charge -Q uniformly distributed over its surface. It is surrounded by a sphere of radius b with a positive charge +2Q uniformly distributed over its surface. Write an equation for the electric field at a point r that lies in the region between these two spheres. Include direction. Note that your answer may include some or all of the parameters: Q, r, a, b and E . 2. In the problem above, what is the equation for the electric field at a point r that lies outside both spheres (r>b). Note that your answer may include some or all of the parameters: Q, r, a, b and ɛ,.

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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Part A through part D, please Charge is distibuted uniformly over each of two spherical volumes with radius R. One sphere of charge is centered at the origin and the other at x=2R (Figure 1). Let left-hand sphere have positive charge Q and let the right-hand sphere have negative charge -Q . Part A Find the magnitude of the net electric field due to these two distributions of charge at the point x=0 on the x-axis. Express your answer in terms of the variables Q , R , and appropriate constants. Part B Find the magnitude of the net electric field at the point x=R/2 on the x-axis. Express your answer in terms of the variables Q , R , and appropriate constants. Part C Find the magnitude of the net electric field at the point x=R on the x-axis. Express your answer in terms of the variables Q, R , and appropriate constants. Part D Find the magnitude of the net electric field at the point x=3Ron the x-axis. Express your answer in terms of the variables Q, R, and appropriate constants.
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