(a) Find an expression for the magnetic energy stored per unit length in a coaxial transmission line...

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(a) Find an expression for the magnetic energy stored per unit length in a coaxial transmission line consisting of conducting sleeves of negligible thickness, having radii a and b. A medium of relative permeability μr fills the region between conductors. Assume current I flows in both conductors in opposite directions.

(b) Obtain the inductance, L, per unit length of line by equating the energy to (1/2)LI2.

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Engineering Electromagnetics

ISBN: 978-0073380667

8th edition

Authors: William H. Hayt, John A.Buck

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