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<p>4.Skin depth</p>
<p align="center"><img src="skindepth.gif" width="476" height="327" border="0">&nbsp;</p>
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\delta (SkinDepth)=\frac{1}{\alpha }=\frac{1}{\sqrt{\pi f\mu \sigma }}
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<p>&nbsp;&nbsp;&nbsp;Equation means how much electromagnetic wave can propagate in conductor.</p>
<p>1) <a href="skindepthlarge.htm">Large Skin Depth</a></p>
<p>2) <a href="skindepthsmall.htm">Small Skin Depth</a></p>
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<p><font color="red"><hr> </font></p>
<p align="center"><font size="2" color="teal">Department of Electrical Engineering</font></p>
<p align="center"><font size="2" color="teal">Electromagnetic Wave animations</font></p>
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