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Electromagnetic Field Theory

Q1: A hollow rectangular waveguide has dimensions a = 2b. Calculate the amount of attenuation, if the frequency is 3 GHz, and b = 1 cm.

A 49

B 47.33

C 50.33

D 50

ANS:B - 47.33

Since, wave is attenuated hence β = 0 and Take, dominant mode m = 1, n = 0 .



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