A) \[\sqrt{2Rh}\]
B) \[\sqrt{4Rh}\]
C) \[\sqrt{6Rh}\]
D) \[\sqrt{8Rh}\]
Correct Answer: D
Solution :
[d] The maximum line-of-sight distance between the transmitting and receiving antennas is \[{{d}_{M}}=\sqrt{2R{{h}_{T}}}+\sqrt{2R{{h}_{R}}}\] where \[{{h}_{T}}\] and \[{{h}_{R}}\] are the heights of transmitting and receiving antennas respectively. \[\therefore \,\,\,\,\,\,\,\,{{d}_{M}}=\sqrt{2Rh}+\sqrt{2Rh}=2\sqrt{2Rh}=\sqrt{8Rh}\] \[(\because \,\,\,\,\,\,{{h}_{T}}={{h}_{R}}=h)\]
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