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Communication Systems - Two Marks Study Materials

12th Standard EM

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Physics

Time : 01:00:00 Hrs
Total Marks : 30
    15 x 2 = 30
  1. Give the factors that are responsible for transmission impairments.

  2. Distinguish between wireline and wireless communication? Specify the range of electromagnetic waves in which it is used.

  3. Explain centre frequency or resting frequency in frequency modulation.

  4. What does RADAR stand for?

  5. What do you mean by Internet of Things?

  6. Write the advantages of PM?

  7. Define Bandwidth.

  8. What do you mean by skip distance?

  9. What is mobile communication?

  10. Write the application of ICT?

  11. What is transducer?

  12. Greater the height of a TV transmitting antenna. Explain

  13. Which modulation is more advantageous? AM or FM? Why?

  14. What do you mean by noise in communication?

  15. What are carrier waves?

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