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The spherical surfaces r= 3, 4, and 5 m contain uniform surface charge densıties of 8, - 12, and psx nC/m?, respectively (a) What value must psx be so that D =0 for r> 5' ) If esx = for 0

The spherical surfaces r= 3, 4, and 5 m contain uniform surface charge densıties of 8, - 12, and psx nC/m?, respectively (a) What value must psx be so that D =0 for r> 5' ) If esx = for 0

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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The spherical surfaces r= 3, 4, and 5 m contain uniform surface charge densities of 8, – 12, and ps, nC/m?, respectively (a) What value must psx be so that D =0 for r> 5' k) If psz = 2 nC/m², calculate and plot D, vs r for 0 <r< 6 m Answer: (a) 4 8 nC/m?, (b) r < 3, D, = 0, 3 <r< 4, D, = 72/r², 4 <r< 5, D, = - 120/r2, r > 5, D, = - 70/r2 (all in nC/m2)
Transcribed Image Text:The spherical surfaces r= 3, 4, and 5 m contain uniform surface charge densities of 8, – 12, and ps, nC/m?, respectively (a) What value must psx be so that D =0 for r> 5' k) If psz = 2 nC/m², calculate and plot D, vs r for 0 <r< 6 m Answer: (a) 4 8 nC/m?, (b) r < 3, D, = 0, 3 <r< 4, D, = 72/r², 4 <r< 5, D, = - 120/r2, r > 5, D, = - 70/r2 (all in nC/m2)
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