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Discussion :: Electromagnetic Field Thoery

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

    2. A.
    49
    B.
    47.33
    C.
    50.33
    D.
    50

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    Answer : Option B

    Explanation :

    Since, wave is attenuated hence β = 0

    and Take, dominant mode m = 1,

    n = 0

    .

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