Science, asked by Madhushri6511, 3 months ago

Do we have to build extremely tall antenna for transmission ? Justify your answer .

Answers

Answered by Sarah0909
16

Answer:

Oscillators convert direct current (DC) from a power supply to an alternating current (AC) signal. They are widely used in many electronic devices ranging from simplest clock generators to digital instruments (like calculators) and complex computers and peripherals etc.

Answered by priyarksynergy
0

The correct answer is as follows:

Explanation:

  • Long-distance communication necessitates a low radiation angle,
  • which means that an antenna must be high above the ground in terms of the wavelength of the radio wave being broadcast.
  • Long-distance communications will benefit much more at a height of 120 feet or higher.
  • A mast, often known as a tower, is the structure that raises the antenna off the ground.
  • The main reason for the antenna to be so tall in FM broadcasting is so that it may radiate from a high location with line of sight to more of the area around the radio transmitter.
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