Problem 7.26 The inner and outer conductors of a coaxial cable have radii of 0.5 cm and 1 cm, respectively. The conducto

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Problem 7 26 The Inner And Outer Conductors Of A Coaxial Cable Have Radii Of 0 5 Cm And 1 Cm Respectively The Conducto 1 (127.91 KiB) Viewed 23 times

Problem 7.26 The inner and outer conductors of a coaxial cable have radii of 0.5 cm and 1 cm, respectively. The conductors are made of copper with & = 1, Mr = 1, and o= 5.8 × 107 S/m, and the outer conductor is 0.5 mm thick. At 10 MHz: (a) Are the conductors thick enough to be considered infinitely thick as far as the flow of current through them is concerned? (b) Determine the surface resistance Rs. (c) Determine the ac resistance per unit length of the cable.