8) In Fig. 23-56, a nonconducting spherical shell of inner radius a= 2 cm and outer radius b= 2.4 cm has (within its thickness) a positive uniform volume charge density p = 2.5nC/m³. In addition, a small ball of charge q = +4.5 nC is located at that center. What are the magnitude and direction of the electric field at radial distances (a) r = 1 cm, (b) r = 2.2 cm and (c) r = 3 cm? I

8) In Fig. 23-56, a nonconducting spherical shell of inner radius a= 2 cm and outer radius b= 2.4 cm has (within its thickness) a positive uniform volume charge density p = 2.5nC/m³. In addition, a small ball of charge q = +4.5 nC is located at that center. What are the magnitude and direction of the electric field at radial distances (a) r = 1 cm, (b) r = 2.2 cm and (c) r = 3 cm? I

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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У (ст) 91 A point charge g, = -4 µC is placed at x = 0 and y = +5 cm. A second point charge g, = -4.5 µC is placed at x = +5 cm and y = 0. Determine the magnitude of the net electric field at the origin and the direction of the electric field as an angle measured from the +x axis. Use k = 9.00 x 10° N-m?/c?. 92 Magnitude = N/C х (ст) Direction = from +x axis -5 5 -5-
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3 In Fig. 22-24, two particles +3q of charge -q are arranged symmetrically about the y axis; each produces an elec- tric field at point P on that axis. (a) Are the magnitudes of the fields at P equal? (b) Is each electric field directed toward or away from the charge producing it? (c) Is the magnitude of the net electric field at P equal to the sum of the magnitudes E of the two field vec- tors (is it equal to 2E)? (d) Do the x components of those two field vec- tors add or cancel? (e) Do their y components add or cancel? (f) Is +6q -29 Figure 22-23 Question 2. -4 -4 the direction of the net field at P that of the canceling components or the adding components? (g) What is the direction of the net field? Figure 22-24 Question 3. TO