H = 30 sin ( 2*pi*10^8*t - 5*x) in the z direction milli-amp/meter.(adsbygoogle = window.adsbygoogle || []).push({});

First question is if μr = 1, find εr.

H is the magnetic part of a plane wave in a lossless dielectric.

I dont see any way to find εr from the information thats been given.

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# Homework Help: Electromagnetics problem

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