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**question**

For a plane wave of the form E(z,t)=Ee^i(kz-wt) and B(z,t)=Ee^(-kz)*e^i(kz-wt) write down the time-averaged ohmic heating loss per unit volume for any z.

## Homework Equations

J=[tex]\sigma[/tex]E

Maxwell's equations for linear media

## The Attempt at a Solution

not sure where to start, i need a nudge