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Question 2 The real part of the propagation vector (a) of waves in a lossy dielectric medium is given by με 0 a = 0 ( ),
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Question 2 The real part of the propagation vector (a) of waves in a lossy dielectric medium is given by με 0 a = 0 ( ),
Question 2 The real part of the propagation vector (a) of waves in a lossy dielectric medium is given by με 0 a = 0 ( ), 1+ 2 i. Obtain the expression a for a good conductor. ii. Define skin depth. iii. Calculate the skin depth of the seawater considered a good conductor at 19.8 kHz. The conductivity (o) of seawater is 4 S m-1 and ε = 81 £o. (5 marks)
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