A uniformly charged, straight filament 7.00 m in length
Chapter 24, Problem 31(choose chapter or problem)
A uniformly charged, straight filament 7.00 m in length has a total positive charge of 2.00 mC. An uncharged cardboard cylinder 2.00 cm in length and 10.0 cm in radius surrounds the filament at its center, with the filament as the axis of the cylinder. Using reasonable approximations, find (a) the electric field at the surface of the cylinder and (b) the total electric flux through the cylinder.
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