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Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng
النسخة 1الرقم المعياري الدولي: 978-0201566116Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng
النسخة 1الرقم المعياري الدولي: 978-0201566116 تمرين 17
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.
التوضيح
موثّق
موثّق
(a)
Write the expression for the resista...
Fundamentals of Engineering Electromagnetics 1st Edition by David Cheng
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