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The Rms Value of the Electric Field in an Electromagnetic $\times$

Question 40

Multiple Choice

The rms value of the electric field in an electromagnetic wave is E_rms = 200 V/m.The intensity of this wave is approximately

A) 53.1 W/m²
B) 106 W/m²
C) 1.59 $\times$ 10¹⁰ W/m²
D) 3.18 $\times$ 10¹⁰ W/m²
E) 1.70 kW/m²

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