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A cylindrical conductor AB of length l a...

A cylindrical conductor AB of length l and area of cross-section a is connected to a battery having emf E and negligible internal resistance. The specific conductivity of cylindrical conductor varies as `sigma = sigma_(0) (1)/(sqrt(x))`, where `sigma_(0)` is constant and x is distance from end A. What is the electric field just near the end B of cylinder?

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