20 - chapter24-question25 Charge Qis uniformly distributed on a conducting spherical Shell. The surface density is given by a=+8.0 x 10C/m. Inner and outer radius of the shell are respectively given by R, 5 cm, Ry = 10 cm. What is the electric field (in N/C) at r3 cm where ris the distance from the center of the sphere? Option1 Option2 Option3 Option4 Option5 a) Option3 2011 b) Option5 Option4 d) Option2 e) Option1

20 - chapter24-question25 Charge Qis uniformly distributed on a conducting spherical Shell. The surface density is given by a=+8.0 x 10C/m. Inner and outer radius of the shell are respectively given by R, 5 cm, Ry = 10 cm. What is the electric field (in N/C) at r3 cm where ris the distance from the center of the sphere? Option1 Option2 Option3 Option4 Option5 a) Option3 2011 b) Option5 Option4 d) Option2 e) Option1

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter15: Electric Forces And Fields

Section: Chapter Questions

Problem 53P: Suppose the conducting spherical shell of Figure 15.29 carries a charge of 3.00 nC and that a charge...

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A solid insulating sphere of radius R has a nonuniform charge density that varies with r according to the expression = Ar2, where A is a constant and r R is measured from the center of the sphere. (a) Show that the magnitude of the electric field outside (r R) the sphere is E = AR5/50r2. (b) Show that the magnitude of the electric field inside (r R) the sphere is E = Ar3/50. Note: The volume element dV for a spherical shell of radius r and thickness dr is equal to 4r2dr.
Figure P15.49 shows a closed cylinder with cross-sectional area A = 2.00 m2. The constant electric field E has magnitude 3.50 103 N/C and is directed vertically upward, perpendicular to the cylinder's top and bottom surfaces so that no field lines paw through the curved surface. Calculate the electric flux through the cylinder's (a) lop and (b) bottom surface, (c) Determine the amount of charge inside the cylinder. Figure P15.49
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