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Electric Field in a Tube

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What is the electric field due to a long hollow copper tube carrying charge with density 15 Micro Coulombs per meter, at a point outside the tube 3.6 cm from its central axis and not near either end of the tube? What is the field at a point inside the tube?

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Since the electric lines of the force do not cross each other and the tube is of the shape of long symmetric cylinder, the electric flux from the charge will uniformly spread in all ...

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