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2. Electric potential of two concentric spheres. Two hollow conductive spheres of a = 10 cm...

2. Electric potential of two concentric spheres. Two hollow conductive spheres of a = 10 cm and b = 20 cm, respectively, have a common center. The inner sphere has a charge of qa = 2.0 x 10-9 C evenly distributed over its surface, while the outer sphere has qb = 1.0 x 10-9 C. Plot the value of the electric potential from r = 0 (the center) to r = 50 cm. (Hint: in every region of space, the potentials add. Plot the potential of the inner sphere. Exactly below this, plot the potential of the outer sphere. On a third graph, plot the sum of these two potentials.)

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