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Chapter 15: Electric Field of Distributed Charges

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Matter & Interactions
Pages: 588 - 625
Matter & Interactions

Matter & Interactions

Book edition 4th edition
Author(s) Ruth W. Chabay, Bruce A. Sherwood
Pages 1135 pages
ISBN 9781118875865

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Illustration

57 Questions for Chapter 15: Electric Field of Distributed Charges

  1. The rod in Figure 15.49 carries a uniformly distributed positive charge. Which arrow (a–h) best represents the direction of the electric field at the observation location marked with a red X?

    Found on Page 616

  2. By thinking about the physical situation, predict the magnitude of the electric field at the center of a uniformly charged ring of radius R carrying a charge role="math" localid="1668494008173" +Q . Then use the equation derived in the text to confirm this result.

    Found on Page 616

  3. Define “fringe field.”

    Found on Page 616

  4. Explain qualitatively how it is possible for the electric field at locations near the center of a uniformly charged disk not to vary with distance away from the disk.

    Found on Page 616

  5. Coulomb’s law says that electric field falls off like 1/z2. How can Efor a uniformly charged disk depend on [1-z/R], or be independent of distance?

    Found on Page 616

  6. If the total charge on a thin rod of length 0.4is2.5nC, what is the magnitude of the electric field at a location1Cmfrom the midpoint of the rod, perpendicular to the rod?

    Found on Page 594

  7. The electric field inside a capacitor is shown on the left in Figure 15.50. Which option (1–5) best represents the electric field at location A?

    Found on Page 617

  8. Question: A solid spherical plastic ball was rubbed with wool in such a way that it acquired a uniform negative charge all over the surface. Make a sketch showing the polarization of molecules inside the plastic ball, and explain briefly.

    Found on Page 617

  9. A student said, “The electric field inside a uniformly charged sphere is always zero.” Describe a situation where this is not true.

    Found on Page 617

  10. If the total charge on a thin rod of length0.4mis 2.5n/C, what is the magnitude of the electric field at a location1Cmfrom the midpoint of the rod, perpendicular to the rod?

    Found on Page 594

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