The electromagnetic wave of the radiation field from a wire antenna travels toward the plane of your paper (which is in the -z direction) . At time t = 0 s, the wave strikes your paper at normal incidence. The magnetic field vector at point O in the figure points in the -y direction and has a magnitude of 4.0 × 10^-⁸ T. The frequency of the wave is 1.0 × 10¹⁶ Hz.
-What is the intensity of the electromagnetic wave at time t = 0 s?

Question

The electromagnetic wave of the radiation field from a wire antenna travels toward the plane of your paper (which is in the -z direction) . At time t = 0 s, the wave strikes your paper at normal incidence. The magnetic field vector at point O in the figure points in the -y direction and has a magnitude of 4.0 × 10^-⁸ T. The frequency of the wave is 1.0 × 10¹⁶ Hz.

-What is the intensity of the electromagnetic wave at time t = 0 s?

Quizplus · Accepted Answer

The Answer of The electromagnetic wave of the radiation field from a wire antenna travels toward the plane of your paper (which is in the -z direction). At time t = 0 s, the wave strikes your paper at normal incidence. The magnetic field vector at point O in the figure points in the -y direction and has a magnitude of 4.0 × 10 - 8 T. The frequency of the wave is 1.0 × 10 16 Hz. -What is the intensity of the electromagnetic wave at time t = 0 s? A)0.24 W/m² B)0.38 W/m² C)0.48 W/m² D)0.76 W/m² E)24 W/m²

The Electromagnetic Wave of the Radiation Field from a Wire