An electromagnetic wave with maximum electric field Emax = 44.0 V/m propagates in the x direction as shown.What is the intensity of this wave (in W/m²)?

Question

Quizplus · Accepted Answer

The intensity of an electromagnetic wave is given by the equation:
I = (Emax)^2/(2*c*μ0)
where c is the speed of light and μ0 is the permeability of free space.
Substituting the given values, we get:
I = (44.0 V/m)^2/(2*3.00×10^8 m/s*4π×10^-7 T·m/A)
I ≈ 2.57 W/m^2
Therefore, the correct answer is choice C.

An Electromagnetic Wave with Maximum Electric Field Emax = 44