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What are the limitations of amplitude mo...

What are the limitations of amplitude modulation ?

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Limitations of amplitude modulation :
(i) The quality of audio signal is not good.
(ii) The efficiency of amplitude modulation is low.
(iii) The atmosphere and industrial noise affect the audio signal.
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BETTER CHOICE PUBLICATION-PRINCIPLES OF COMMUNICATION -SHORT ANSWER TYPE QUESTIONS
  1. Why audio signals cannotbe transmitted directly into space ?

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  2. Explain basic elements of communication system with the help of block ...

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  3. What are the limitations of amplitude modulation ?

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  4. Give one difference between point to point mode of communication and b...

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  5. Why is ground wave propagation not suitable for high frequency ?

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  6. Explain the term ground waves propagation of radio-waves.

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  7. Explain why sky wave propagation is not possible for high frequency ra...

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  8. What is space wave propagation ? Give one example of communication sys...

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  9. Write any two factors, which justify the need of modulation for the tr...

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  10. Explain space wave propagation.

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  11. What do you mean by medium wave band and short wave band ?

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  12. Define frequency modulation.

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  13. What do you mean by medium wave band and short wave band ?

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  14. What is remote sensing? WHat are the uses of remote sensing satellites...

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  15. Compare amplitude modulation and frequency modulation.

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  16. Write any four advantages of optical fibre communication.

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  17. What is modem?

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  18. Draw a labelled block diagram of a basic communication system.

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  19. Explain the concept of amplitude modulation by drawing suitable wave...

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  20. What is the need for modulation ?

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