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Charge density on thin straight wire, revisited

2000
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American Journal of Physics
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The question of the equilibrium linear charge density on a charged straight conducting "wire" of finite length as its cross-sectional dimension becomes vanishingly small relative to the length is revisited in our didactic presentation. We first consider the wire as the limit of a prolate spheroidal conductor with semi-minor axis a and semi-major axis c when a/cϽϽ1. We then treat an azimuthally symmetric straight conductor of length 2c and variable radius r(z) whose scale is defined by a

doi:10.1119/1.1302908
fatcat:zlit6emix5b6dopzu4tfjolk7a