A spherically spreading EM wave comes from a $1800$ W source.

Part A

At a distance of $4\mathrm{.}1$ m $,$ what is the intensity?

Express your answer using two significant figures.

Correct

Part B

What is the rms value of the electric field?

Express your answer using two significant figures.

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E$\_\{\backslash$mathrm$\{$rms$\}\}=$

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$\backslash [$

$\backslash$mathrm$\{$V$\}/\backslash$mathrm$\{$m$\}$

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