# An electromagnetic wave is incident from one lossless

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An electromagnetic wave is incident from one lossless dielectric medium onto another medium which has a higher impedance Which of the following another medium which has a higher impedance. Which of the following statements are true? A) All the power is transmitted into the second medium. B) A fraction of the power is transmitted into the medium and the remaining fl d power is reflected C) Because the media are lossless the standing wave ratio will be infinite D) The reflection coefficient is the ratio of the reflected wave power to the transmitted wave power ©AGK 2005 ECSE 352 3.1-26 E) The reflection coefficient is the ratio of the reflected wave amplitude to the incident wave amplitude Leaning outcomes After taking this class you should be able to: Recognize that wave reflection occurs due to a change in impedance Define electromagnetic standing waves Calculate the reflection and transmission coefficients for plane waves incident on lossless and lossy dielectrics and conductors Recognize that total wave power is conserved E l i th l ti hi b t th fl t d Explain the relationship between the reflected and transmitted wave components. ©AGK 2005 ECSE 352 3.1-27 For you to do Pl tt t Please attempt - Example D13.1 (page 441) -Problems 13.1, 13.2, 13.4 Problems 13.1, 13.2, 13.4 Reading for next class (3.2 Standing wave ratio): 13 2 13.2 ©AGK 2005 ECSE 352 3.1-28
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