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A cyclinder of radius 5 mm and surface c...

A cyclinder of radius 5 mm and surface charge density of `2 mu C//m^(2)` is surrounded by a medium of dielectric constant 6.28. The magnitude of electric field at a point 2 m away from the axis of the cyclinder is `((1)/(4)piepsi_(0) = 9xx10^(9) Nm^(2)//C^(2))`

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