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

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
[A]. 10 watts
[B]. 1 watt
[C]. 0.1 watt
[D]. 0.01 watt

Answer: Option A

Explanation:

217-415-1= 101 1-sym-impPr = 10 watt.

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