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Discussion :: Electromagnetic Field Thoery

  1. A transmission line is feeding 1 watt of power to a horn antenna having a gain of 10 dB. The antenna is matched to the transmission line. The total power radiated by the horn antenna into the free space is

    2. A.
    10 watt
    B.
    1 watt
    C.
    0.1 watt
    D.
    0.01 watt

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    Answer : Option A

    Explanation :

    Pradiated = Gain of Antenna x Input power = G.I

    10 log1010 . 1 10 watt.

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