4. A plastic solid sphere is positively charged with volume charge density +p. The sphere has a radius a and centered at origin. Another empty sphere with radius b is placed at 2b cm away from the origin on y-axis. The small sphere has no charge in it. Find the electric field (E =?) at point P by using the Gaussian method (a > 3b, c > a). 0,2b,0 C --> X 0,0,0 a +p P.

4. A plastic solid sphere is positively charged with volume charge density +p. The sphere has a radius a and centered at origin. Another empty sphere with radius b is placed at 2b cm away from the origin on y-axis. The small sphere has no charge in it. Find the electric field (E =?) at point P by using the Gaussian method (a > 3b, c > a). 0,2b,0 C --> X 0,0,0 a +p P.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter15: Electric Forces And Fields

Section: Chapter Questions

Problem 46P: The electric field everywhere on the surface of a charged sphere of radius 0.230 m has a magnitude...

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