Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion
Discussion Forum : Electromagnetic Field Theory - Section 1 (Q.No. 18)
18.
A hollow rectangular waveguide has dimensions a = 2b. Calculate the amount of attenuation, if the frequency is 3 GHz, and b = 1 cm.
Answer: Option
Explanation:
Since, wave is attenuated hence β = 0
and 
Take, dominant mode m = 1,
n = 0
.
Discussion:
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