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AAKASH SERIES-COMMUNICATION SYSTEMS -PRACTICE EXERCISE (TV Antenna)
- The height of a TV transmitting antenna is 20m. The telecast can cover...
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- A transmitting antenna is at a height of 20m and receiving antenna is ...
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- TV tower has a height of 80m. The height of the tower to be increased ...
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- The maximum distance between the transmitting and receiving TV towers ...
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- The area to be covered for TV telecast is doubled. Then the height of ...
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- A T.V. tower has a height of 100 m. How much population is covered by ...
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- A TV tower has a height of 70 m. If the average population density aro...
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- A TV tower has a height of 100 m. The population density around the TV...
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- To cover a population of 20 lakh, a transmission tower should have a h...
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- The amplitude of the modulating wave is 2//5 th of the amplitude of th...
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- The audio signal voltage is given by V(m) = 2 sin 12 pi xx 10^(3)t. Th...
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- The tuned circuit of an oscillator in a simple AM transmitter employs ...
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- Match column A (layers in the ionosphere for sky wave propagation) wit...
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- A radar has a power of 1kW and is operating at a frequency of 10 GHz. ...
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- If the percentage of modulation is 50% then the useful power in the AM...
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- The modulation index is 0.75. Then the useful power available in the s...
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