How do I find field power of Coaxial cable?

Thread Starter

thexy

Joined Dec 13, 2015
130
It's given in example one coaxial cable, filled inside with dielectric .epsilonr. Inside diameter d, outer diameter D and voltage applied between inner and outer conductors.
Wanted: field power at a distance r=(D+d)/2?


Can someone help me to this example?
 
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