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How much energy is transported across a 0.32 m² area per hour by an EM wave whose E field has a max strength of 0.14 V/m? First, find the average intensity, I.

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

Section: Chapter Questions

Problem 30P

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Concept explainers

Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

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+=
= (768x Co
m
3.00 x 10 m/s) = 2
12. How much energy is transported across a 0.32 m² area per hour by an EM wave whose E field
has a max strength of 0.14 V/m? First, find the average intensity, I.
Erms = 0.14 v/m

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