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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 .

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 .

College Physics
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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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,.
Transcribed Image Text: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,.
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