Problem Five. Now consider if the spherical insulator in problem Three (which has a radius R and a total charge Q on it) is surrounded by a conducting spherical shell with inner radius "a" and outer radius "2a." The conductor has a charge of 20 on it. 13. Find the charge remaining on the outer radius "2a" of the conductor. (A) 0 (B)-Q (C) Q (D) 70 (E) 30 14. Write an expression for the surface charge density on the inner surface of the conductor. (A) -Q 4π a² (B) Q 4π a² (C) -Q 75 8π a² (D) Σπαζ (E) 2a 20 πα
Problem Five. Now consider if the spherical insulator in problem Three (which has a radius R and a total charge Q on it) is surrounded by a conducting spherical shell with inner radius "a" and outer radius "2a." The conductor has a charge of 20 on it. 13. Find the charge remaining on the outer radius "2a" of the conductor. (A) 0 (B)-Q (C) Q (D) 70 (E) 30 14. Write an expression for the surface charge density on the inner surface of the conductor. (A) -Q 4π a² (B) Q 4π a² (C) -Q 75 8π a² (D) Σπαζ (E) 2a 20 πα
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter25: Gauss’s Law
Section: Chapter Questions
Problem 68PQ: Examine the summary on page 780. Why are conductors and charged sources with linear symmetry,...
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Step 1: Determine the charge at outer surface of shell
VIEWStep 2: Calculate the surface charge density of inner shell
VIEWStep 3: Calculate the surface charge density of outer shell
VIEWStep 4: Calculate the flux and electric field between insulator and conductor
VIEWStep 5: Calculate the flux and electric field within shell
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