Along, straight wire is surrounded by a hollow metal cylinder whose axis coincides with that of the wire. the wire has a charge per unit length of λ, and the cylinder has a net charge per unit length of 2λ. from this information, use gauss's law to find the following. (use lambda for λ, epsilon_0 for ε0, and r for r as necessary.)
(a) the charge per unit length on the inner and outer surfaces of the cylinder
surface)
surface)
(b) the electric field outside the cylinder, a distance r from the axis
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