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Negative charge -Q is distributed uniformly over the
Chapter 22, Problem 51P(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 > R from the center of the shell (outside the shell); (b) r < R from the center of the shell (inside the shell).
Questions & Answers
QUESTION:
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 > R from the center of the shell (outside the shell); (b) r < R from the center of the shell (inside the shell).
ANSWER:Solution 51P We shall have to apply Gauss’ law here to find the electric field first at the required location. Once the electric field is calculated, the force acting on the positive charge can be calculated. The charge Q