Physics 2 Quiz
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ELECTROSTATICS
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A very long solid non-conducting cylinder of radius RR has a volume charge density ρ(r,ϕ)=ρ0cos⁡2(ϕ)\rho(r, \phi) = \rho_0 \cos^2(\phi), where ϕ\phi is the azimuthal angle and ρ0\rho_0 is a constant. A student proposes using a coaxial cylindrical Gaussian surface of radius r>Rr > R and length LL to find the electric field outside the cylinder. Which of the following correctly analyzes whether this approach succeeds?
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