A long metal cylinder with radius a is supported on an insulating stand on the a

Question

A long metal cylinder with radius a is supported on an insulating stand on the axis of a long, hollow metal tube with radius b. The positive charge per unit length on the inner cylinder is ? and there is an equal negative charge per unit length (-?) on the outer cylinder. a. Calculate the potential V(r) everywhere in space. That is where r < a, a < r < b, and r >b. Take V = 0 at r = b. c. Use the result from part a to show that the electric field at any point between the cylinders has magnitude ( ) Please show all work

Explanation / Answer

sol here http://www.google.com.pk/url?sa=t&rct=j&q=&esrc=s&source=web&cd=7&ved=0CE0QFjAG&url=http%3A%2F%2Fwww.eng-hs.net%2Ffiles%2FPhysics%2520Questions%2520chapter%252023.docx&ei=BFcIUZG_Eumt4ATMuYDIDQ&usg=AFQjCNFH_PV6C6FH8YMUNK0OmULjlds3Qg&bvm=bv.41642243,d.bGE

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