At one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.85 µT. (a) Calculate the rms electric field due to solar radiation. V/m (b) Calculate the average energy density of the solar component of electromagnetic radiation at this location. ]/m³ (c) Calculate the average magnitude of the Poynting vector for the Sun's radiation. W/m2 (d) Assuming that the average magnitude of the Poynting vector solar radiation at the surface of the Earth is Say = 1000 W/m2, compare your result in part (c) with this value. %

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter24: Electromagnetic Waves
Section24.4: Energy Carried By Electromagnetic Waves
Problem 24.2QQ
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At one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.85 µT.
(a) Calculate the rms electric field due to solar radiation.
V/m
(b) Calculate the average energy density of the solar component of electromagnetic radiation at this location.
µJ/m³
(c) Calculate the average magnitude of the Poynting vector for the Sun's radiation.
|W/m²
(d) Assuming that the average magnitude of the Poynting vector for solar radiation at the surface of the Earth is S,
Pav
= 1000 W/m², compare your result in part (c) with this value.
%
Transcribed Image Text:At one location on the Earth, the rms value of the magnetic field caused by solar radiation is 1.85 µT. (a) Calculate the rms electric field due to solar radiation. V/m (b) Calculate the average energy density of the solar component of electromagnetic radiation at this location. µJ/m³ (c) Calculate the average magnitude of the Poynting vector for the Sun's radiation. |W/m² (d) Assuming that the average magnitude of the Poynting vector for solar radiation at the surface of the Earth is S, Pav = 1000 W/m², compare your result in part (c) with this value. %
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