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Field and Wave Electromagnetics 2nd Edition by David Cheng
Edition 2ISBN: 978-0201128192Field and Wave Electromagnetics 2nd Edition by David Cheng
Edition 2ISBN: 978-0201128192 Exercise 15
A long, round wire of radius a and conductivity is coated with a material of conductivity 0.1
a) What must be the thickness of the coating so that the resistance per unit length of the uncoated wire is reduced by 50%
b) Assuming a total current I in the coated wire, find J and E in both the core and the coating material.
a) What must be the thickness of the coating so that the resistance per unit length of the uncoated wire is reduced by 50%
b) Assuming a total current I in the coated wire, find J and E in both the core and the coating material.
Explanation
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(a)
Write the expression for the resista...
Field and Wave Electromagnetics 2nd Edition by David Cheng
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