5. A conducting sphere of radius 5 cm is placed at the center of a spherical con

Question

5. A conducting sphere of radius 5 cm is placed at the center of a spherical conducting shell. The shell has inside and outside radii of 20 and 25 cm, respectively. A charge of - 25 nC is placed on the shell and a charge of + 15 nC is placed on the sphere. A. What is the charge on the inside surface of the shell? B. What is the charge on the outside surface? C. What is the magnitude and direction (toward or away from the center) of the electric field at 10 cm, 20 cm and 30 cm from the point charge?

Explanation / Answer

a) -15nc

b)-10nc

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