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Discussion :: Electromagnetic Field Thoery

  1. A broadside array operating at 100 cm wavelength consist of 4 half-wave dipoles spaced 50 cm apart. Each element carries radio frequency current in the same phase and of magnitude 0.5 A. The radiated power will be

    2. A.
    196 W
    B.
    73 W
    C.
    36.5 W
    D.
    18.25 W

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    Answer : Option A

    Explanation :

    P = n . I2 . Rr, where Rr = 80p2 Ω.

    n = 4.

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