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Write any two factors which justify the ...

Write any two factors which justify the need for modulating a signal.

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To justify the need for modulating a signal, we can consider the following two factors: ### Step-by-Step Solution: 1. **Modulated Wave and Antenna Height**: - Low-frequency signals require very large antennas, often around 4 to 5 kilometers in height. - Such large antennas are impractical for installation and use. - Modulation allows us to place the input signal onto a carrier wave, which significantly reduces the height requirement of the antenna. ...
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