Determine power gain, Electrical Engineering

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Q. An antenna has an aperture area of 10 m2 ,an aperture ef?ciency of 0.6, and negligible losses. If it is used at 5 GHz, determine:

(a) Its power gain.

(b) The maximum power density that the antenna can generate at a distance of 20 km with an input power of 2 kW.


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