The coaxial cable consists of two thin, tubular conductors, the inner of radius a and the outer of radius b. Current I flows out along one conductor and back along the other. Part A Find the total energy per unit length of the cable. Express your answer in terms of the variables 0, I, b, and a. Submit Request Answer Part B Use the expression U =;LI² to find the inductance per unit length.
The coaxial cable consists of two thin, tubular conductors, the inner of radius a and the outer of radius b. Current I flows out along one conductor and back along the other. Part A Find the total energy per unit length of the cable. Express your answer in terms of the variables 0, I, b, and a. Submit Request Answer Part B Use the expression U =;LI² to find the inductance per unit length.
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