A long coaxial cable consists of two cylindrical shells

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Reference no: EM131435163

Question: A long coaxial cable consists of two cylindrical shells. The inner cylinder with radius a carries a uniform line charge +λ (charge per unit length along the z direction), and the outer cylinder has a radius b and carries a line charge -λ. The charges move with velocity ¯v = vˆz along the surfaces of cylinders.

(a) Calculate the magnetic field: between the cylinders (a<s<b), inside (s<a) and outside (s<b)

(b) calculate the magnetic energy stored in the cable for a section of length /.

Reference no: EM131435163

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