A solid insulating sphere of 1.0 cm radius is uniformly charged throughout its volume with an unknown
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- A solid insulating sphere of 1.0 cm radius is uniformly charged throughout its volume with an unknown total charge Q. The electric field generated by the charged sphere is measured to be 100,000 N/C at a location 2.0 cm from the center of the sphere. Also, the electric field is observed to point away from the center of the sphere. a) Determine the magnitude and sign of Q. (3 points)
- b) Calculate the electric field at a location 0.50 cm from the center and indicate its direction. (5 points)
- 6. A conducting sphere of 4.0 cm radius has a cavity of 1.0 cm radius (sharing the same center). The conducting sphere has a total charge of + 15 nC. In addition, a - 12.0 nC point charge is located at the center of the cavity. a) How much charge is on the inside surface of the cavity? Justify your answer using Gauss' Law, to get any credit. (2 points)
- b) How much charge is on the outer surface of the sphere? Justify your answer to get any credit. (2 points)
- c) Calculate and show the direction of the net electric field at 0.5 cm, and at 5.0 cm from the center. Use Gauss Law adapted to spherical symmetry to derive your answers, to get any credit. (6 points)
Related Book For
University Physics with Modern Physics
ISBN: 978-0321501219
12th Edition
Authors: Hugh D. Young, Roger A. Freedman, Lewis Ford
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