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JEE PHYSICS MCQ: COMMUNICATION SYSTEMS

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Is it necessary for a transmitting antenna to be at the same height as that of the receiving antenna for line of sight communication? A TV transmitting antenna is 81 m81 {~m} tall. How much service area can it cover, if the receiving antenna is at the ground level?
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Correct option: B
3260 km23260 {~km}^2
Option B is correct. The service area is calculated using the formula Area = πd2\pi d^2 where d is the range, and the range d = 2hR\sqrt{{2hR}}, resulting in approximately 3260 km².

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