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ECE3025, Summer 2011, Quiz 6
June 30, 2011
1. (2 points) Is the skin depth smaller for waves with frequency of 10 GHz or with frequency of 1 GHz?
2. (6 points) Use the point form of Ohms Law and the AmpereMaxwell Law to derive the real and imag
inary relative permittivity of a material.
3. (2 points) Where does electromagnetic energy go when it is absorbed by a material?
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Unformatted text preview: 4. (2 points) For a plane wave, what is the relationship between the direction of propagation, the direction of the electric ﬁeld, and the direction of the magnetic ﬁeld? 5. (13 points) Given that→ E = ˆ j cos (10 πx ) sin (6 π × 10 9 tβz )) in empty space, ﬁnd→ H and β . 1...
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This note was uploaded on 02/08/2012 for the course ECE 3025 taught by Professor Citrin during the Summer '08 term at Georgia Institute of Technology.
 Summer '08
 CITRIN
 Frequency

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