Exam2retake - ELEG 413 Field Theory II Exam #1 Retake...

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ELEG 413 Field Theory II Exam #1 Retake Spring, 2011 Name ___________________________________________ Directions: Closed book and closed notes. You may NOT use a calculator. Four problems all worth 25pts each. Show your work clearly and write legibly for partial credit.
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1. The instantaneous magnetic flux density in free space is given by Assuming there are no sources, determine the (a) time harmonic (i.e. phasor form) of the magnetic flux density (i.e. ) (b) time harmonic (i.e. phasor form) of the electric field (i.e. ) (c) corresponding instantaneous electric field (i.e. )) ) cos( ) 2 cos( ˆ ) sin( ) 2 cos( ˆ ) , , ( z t y a z t y a t z y B y x ) , ( ~ z y B ) , ( ~ z y E ) , , ( t z y E
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A uniform plane wave is traveling in the +z direction inside an unbounded source-free, free-space, region. Assuming that the electric field has only a x component and its value at z=0 is 5.0 V/m, and its frequency of operation is 3.0 GHz. a.
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Exam2retake - ELEG 413 Field Theory II Exam #1 Retake...

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