Answer: Negative charge -Q is distributed uniformly over
Chapter 22, Problem 22.47(choose chapter or problem)
Negative charge -Q is distributed uniformly over the surface of a thin spherical insulating shell with radius R. Calculate the force (magnitude and direction) that the shell exerts on a positive point charge q located a distance (a) r 7 R from the center of the shell (outside the shell); (b) r 6 R from the center of the shell (inside the shell)
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