Question

15. A solid conducting steel sphere of radius Rball= 10.0 cm is concentric with a hollow, uniformly charged, nonconducting spherical shell of plastic with an inner radius Rinner = 20.0 cm and outer radius Router = 30.0 cm. The steel sphere has net charge qball = 40.0 nC, while the spherical shell has net charge qshell = -50.0 nC. Determine the magnitude of the electric field at the following distances from the center:(a) r = 5.00 cm. (b) r = 15.0 cm. (c) r = 25.0 cm.

Answer #1

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In the figure a solid sphere of radius a = 2.60 cm is
concentric with a spherical conducting shell of inner radius
b = 2.00a and outer radius c =
2.40a. The sphere has a net uniform charge
q1 = +5.02 fC; the shell has a net charge
q2 = –q1. What is the
magnitude of the electric field at radial distances
(a) r = 0 cm, (b)
r = a/2.00, (c) r =
a, (d) r = 1.50a,
(e)...

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A solid insulating sphere of radius a = 5 cm is fixed at the
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