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A long charged cylinder of linear charge density lambda is surrounded by a hollow co-axial conducting cylinder. What is electric field in the space between the two cylinders? |
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Answer» Solution :CHARGE density `=lambda`. The flux calculated for a cylinderical surface of RADIUS r, over a length l is E. `2PI rl`. By Gauss THEOREM, `E.2pi rl=(l lambda)/(epsi_(0))` `E=lambda/(2pi epsi_(0)) or vecE=(lambda)/(2pi epsi_(0)) hatn` 
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