Physics Help Forum (Another) Electric field in a sphere

 Electricity and Magnetism Electricity and Magnetism Physics Help Forum

 Sep 8th 2010, 02:48 PM #1 Junior Member   Join Date: Aug 2010 Posts: 3 (Another) Electric field in a sphere A positively charged metal sphere of radius a is at the center of a metal shell of radius b. The spheres carry equal and opposite charges +Q. Find the electric field as a function of the distance r from the common center for (a) a < r < b, and (b) r > b. Like the other problem, I have no idea how to start. And again, this should have something to do with E = kQ/r^2, but I don't know what the problem is really asking. I think my real problem with these physics questions is that I don't understand what they want me to do! Please help!
 Sep 8th 2010, 10:38 PM #2 Member   Join Date: Jan 2010 Posts: 48 i suggest you to read some primary book to solve these problem...book by RESNICK, HALLIDAY and WALKER will be helpful....................

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