A point charge Q=2000pc, is at the origin of spherical coordinates. A concentric spherical distribution of charge at r =1m has a charge density ps=40TT pC/m2. What surface charge density on a concentric shell at r =2m would result in * .D=0 for r > 2m

A point charge Q=2000pc, is at the origin of spherical coordinates. A concentric spherical distribution of charge at r =1m has a charge density ps=40TT pC/m2. What surface charge density on a concentric shell at r =2m would result in * .D=0 for r > 2m

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

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Concept explainers

Spherical Coordinate System

The spherical coordinate system is a three-dimensional coordinate system for space where the position of a point is specified by three numbers- the radial distance of that point from a fixed source, its polar angle measured from a certain zenith, and the azimuth angle. Its orthogonal projection on the reference plane passes through the source and is measured from the direction of constant reference on that plane which is orthogonal to the highest level. It can be viewed as a three-dimensional version of the polar coordinate system.

Question

A point charge Q=2000pc, is at
the origin of spherical
coordinates. A concentric
spherical distribution of charge
at r =1m has a charge density
ps=40TT pC/m2. What surface
charge density on a concentric
shell at r =2m would result in
* .D=0 for r > 2m

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