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Unformatted text preview: ~ E = 1 r 2 (1cos 3 r ) ˆ r V / m (b) A charge distribution, ρ = exp(r ) μ C / m 3 , is set up in empty space. Find the electric ﬁeld associated with this charge. 6. Find the electric ﬁeld a distance z above one end of a straight line segment of length L that carries a uniform linear charge density of λ . Check that your formula is consistent with the case z ± L . 7. Cheng, P. 38 . 8. Cheng, P. 39 ....
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 Fall '08
 WEIKLE
 Vector Calculus, Electromagnet, Electric charge, Fundamental physics concepts, Electromagnetic field

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