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The solar radiation incident on the Earth has a power density of approximately 900W/m2. Find the rms value of the electric field.

I know that Erms = Emax/squareroot(2)

But how can I pass from W/m^2 to electric field?

7 years ago

Answers

Waves - AEC
Update: I have tried to do:

Pd = E^2 / Zo = E^2 /120pi

E^2 = Pd * 120pi

E = squareroot(900 * 120pi) = 582.48 V

Would this be correct?
7 years ago
bobpursley
yes, that is correct.
7 years ago
Waves - AEC
Thanks.
7 years ago

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