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Discussion :: Electromagnetic Field Thoery

  1. A rectangular metal waveguide filled with a dielectric of relative permittivity εr = 4, has the inside dimensions 3 x 1.2 cm, the cut off frequency for the dominant mode is

    2. A.
    2.5 GHz
    B.
    5 GHz
    C.
    10 GHz
    D.
    12.5 GHz

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    Answer : Option B

    Explanation :

    for dominant mode.

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