Home
Class 12
PHYSICS
Degree of modulation-...

Degree of modulation-

A

can take any value

B

should be less than 100%

C

should exceed 100%

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - II) (Straight Objective & More than one Correct Answer Type Questions)|19 Videos

  • COMMUNICATION SYSTEM

    AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - III) (Straight Objective & More than one Correct Answer Type Questions)|26 Videos

  • CAPACITORS

    AAKASH SERIES|Exercise PRACTICE SHEET (ADVANCED) (Integer Type Questions)|2 Videos

  • COMMUNICATION SYSTEMS

    AAKASH SERIES|Exercise PRACTICE EXERCISE (TV Antenna)|16 Videos

Similar Questions

Explore conceptually related problems

Write three important factors which justify the need of modulating a message signal. Show diagrammatically how an amplitude modulated wave is obtained when a modulating signal is superimposed on a carrier wave.

During the process of modulation the RF wave is called

The amplitude of the modulating wave is 2//5 th of the amplitude of the carrier wave. The percentage modulation

The concepts of communication are (a) mode of communication (b) need for modulation (c ) types of modulation (d) detection of modulated wave

In a communication system, what is meant by modulation? State any two types of modulation.

An amplitude modulated wave is as given in figure. Calculate the percentage modulation,

The maximum value of modulation index in case of amplitude modulation system is

The types of modulation which are possible are-

The maximum amplitude of the modulated wave is 16 v and minimum amplitude is 4 V. The percentage modulation is

Assertion: The process of retrieval of information from the carrier wave at the reciever is termed as modulation. Reason: Repeater helps to modulate the signals.

AAKASH SERIES-COMMUNICATION SYSTEM -LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)
  1. Degree of modulation-

    Text Solution

    |

  2. The highest frequency of radiowaves which when sent at some angle towa...

    Text Solution

    |

  3. Speed of electromagnetic waves is the same

    Text Solution

    |

  4. In space communication, the information can be passed from one place t...

    Text Solution

    |

  5. Which one of the following is correct ?

    Text Solution

    |

  6. The space wave propagation is utilized in

    Text Solution

    |

  7. Three waves A,B and C of frequencies 1600 KHz, 5MHz and 60 MHz, respec...

    Text Solution

    |

  8. A transmitter transmits the message in original

    Text Solution

    |

  9. A receiver reconstructs the original message after propagation through...

    Text Solution

    |

  10. A 100m long antenna is mounted on a 500m tall building. The complex ca...

    Text Solution

    |

  11. A diode detector is used to detect an amplitude modulated wave of 60% ...

    Text Solution

    |

  12. The number of telephone conversations by a fibre of band width 40MHz, ...

    Text Solution

    |

  13. Which of the following devices is full duplex?

    Text Solution

    |

  14. Which of the following devices is half duplex ?

    Text Solution

    |

  15. Which of the following statement is wrong?

    Text Solution

    |

  16. Through which mode of propagation the radio waves can be sent from one...

    Text Solution

    |

  17. The maximum peak to peak voltage of an AM wire is 24 mV and the minimu...

    Text Solution

    |

  18. In a communication system, noise is most likely to affect the signal

    Text Solution

    |

  19. The radio waves of frequency 300 MHz to 3000 MHz belong to

    Text Solution

    |

  20. Match the column I with column II.

    Text Solution

    |

  21. Match the following elements of column I with their property given in ...

    Text Solution

    |