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Name: Energy in Electromagnetic Waves
ID: m42446
Language: English (en)
  • Explain how the energy and amplitude of an electromagnetic wave are related.
  • Given its power output and the heating area, calculate the intensity of a microwave oven’s electromagnetic field, as well as its peak electric and magnetic field strengths
Subject: Science and Technology
Keywords: Amplitude, Electric field, Electromagnetic waves, Intensity, Magnetic field, Maximum field strength
License: Creative Commons Attribution License CC-BY 3.0

Authors: OpenStax College (
Copyright Holders: Rice University (
Maintainers: OpenStax College (, OSC Physics Maintainer (

Latest version: 1.4 (history)
First publication date: Jan 17, 2012 3:16 pm -0600
Last revision to module: Sep 11, 2013 9:31 am -0500


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Version History

Version: 1.4 Sep 11, 2013 9:31 am -0500 by OSC Physics Maintainer
fixed solution

Version: 1.3 Jun 6, 2012 1:32 pm -0500 by OSC Physics Maintainer
consistency, LO, image cropping

Version: 1.2 May 16, 2012 1:12 pm -0500 by OSC Physics Maintainer
initial content publication

Version: 1.1 Jan 20, 2012 6:50 pm -0600 by OSC Physics Maintainer
Created module

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