Home
Class 11
PHYSICS
When carrier wave of 2 . 5 MHz frequenc...

When carrier wave of 2 . 5 MHz frequency is amplitude modulated, the resulting AM wave has maximum of 15 V and minimum amplitude of 10 V . The modulation index is __________.

A

0.3

B

0.2

C

0.1

D

0.4

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Evaluation Test|15 Videos

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Critical Thinking|34 Videos

  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

The frequency of amplitude modulated wave is equal to

If the maximum amplitude of an amoplitude modulated wave is 25 V and the minimum amplitude is 5V, the modulation index is

For an A.M. wave, the maximum and minimum amplitude is found to be 20V and 4v. Find the modulation index(m).

If minimum voltage in an AM wave was found to be 2V and maximum voltage 10V . The % modulation index

If minimum voltage in an AM wave was found to be 1.1 V and maximum voltage 10V . The % modulation index

A modulated carrier wave has maximum and minimum amplitudes of 800 m v and 200 m V. What is the percentage modulation?

In amplitude modulated waves, if the maximum amplitude is 30 mV and the minimum is 5 mV , then find out the modulation index.

For an amplitude modulated wave, the maximum amplitude is found to be 10 V, while the minimum amplitude is 2 V. What is the modulation index ?

For an amplitude modulated wave, the maximum amplitude is found to be 2 V. The modulation index is

The maximum amplitude of an amplitude modulated wave is found to be 15V while its minimum amplitude is found to b e 3V. The modulation index is

TARGET PUBLICATION-COMMUNICATION SYSTEMS-Competitive Thinking
  1. A message signal of 12 kHz and peak voltage 20 V is used to modulate a...

    Text Solution

    |

  2. An oscillator is producing FM waves of requency 2kHz with a variation ...

    Text Solution

    |

  3. When carrier wave of 2 . 5 MHz frequency is amplitude modulated, the ...

    Text Solution

    |

  4. The equation of an FM signal is e = 6 sin (10^(6) t + 4 sin 10^(3) t )...

    Text Solution

    |

  5. The distance of coverage of a transmitting antenna is 12 . 8 km . Then...

    Text Solution

    |

  6. If a transmitting antenna of height 105 m is placed on a hill, then it...

    Text Solution

    |

  7. A ratio has a power of 1 kW and is operating at a frequency of 10 GHz ...

    Text Solution

    |

  8. Height of T .V . Tower is h(T) . The area of transmission of T . V . W...

    Text Solution

    |

  9. In an amplitude modulated wave for audio frequency of 500 "cycle"//sec...

    Text Solution

    |

  10. A modem is a

    Text Solution

    |

  11. The electromagnetic wave of frequency 3 MHz to 30 MHz are

    Text Solution

    |

  12. In which frequency range, space waves are normally propagated?

    Text Solution

    |

  13. Name the type of waves which are used for line of sight (LOS) communic...

    Text Solution

    |

  14. The ionosphere is used for the propagation of

    Text Solution

    |

  15. The maximum frequency of transmitted radio waves above which the radio...

    Text Solution

    |

  16. For sky wave propagation of a 10 MHz signal, what should be the minimu...

    Text Solution

    |

  17. A sky wave with a frequency 55 MHz is incidnet on D-region of earth's ...

    Text Solution

    |

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

    Text Solution

    |

  19. A telephonic communication service is working at carrier frequency of ...

    Text Solution

    |

  20. A transmitting antenna of height h and the receiving antenna of hight...

    Text Solution

    |