Question
The area to be covered for TV telecast is doubled, then the height of transmitting antenna (TV tower) will have to be(A) Doubled(B) Halved(C) Quardupled(D) Kept unchanged
Step 1
This can be rewritten as $A \propto h^2$. This means that the area is directly proportional to the square of the height. Show more…
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The area to be covered for T.V telecast is doubled. Then the height to transmitting antenna will have to be (A) doubled (B) halved (C) quadrupled (D) kept unchanged
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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 $81 \mathrm{~m}$ tall. How much service area can it cover, if the receiving antenna is at the ground level? (a) $3800 \mathrm{~km}^{2}$ (b) $3260 \mathrm{~km}^{2}$ (c) $7400 \mathrm{~km}^{2}$ (d) $3320 \mathrm{~km}^{2}$
Communication Systems
Round 1
Transcript
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