Задача id9988

There are two metal concentric spheres, the radii of which are 5 and 10 cm and the charges are 2 • 10-8 and -10-8 C. Determine the field strength created by these spheres at points located at distances of 3.8 and 14 cm from the centers of the spheres. Plot a graph of the dependence of the field strength on the distance of the point from the center of the spheres.

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