A coaxial cable has its conductors made of copper ( c = 5.8 x 10 7 S/m)
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A coaxial cable has its conductors made of copper (σc = 5.8 x 107 S/m) and its dielectric made of polyethylene (εr = 2.25, μr = 1). If the radius of the outer conductor is 3 mm, determine the radius of the inner conductor so that Zo= 75 Ω.
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