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P10.4 A rectangular waveguide with a=2b=4.8cm is filled with Teflon (er=2.11, loss tangent 3x10-4). Assume that...

P10.4 A rectangular waveguide with a=2b=4.8cm is filled with Teflon (er=2.11, loss tangent 3x10-4). Assume that the walls of the waveguide are coated with gold (s=4.1x107S/m) and that a TE10 wave at 4GHZ propagates down the guide. Find the total attenuation.

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