Home
Class 12
PHYSICS
In frequency modulation...

In frequency modulation

A

The amplitude of modulated wave varies as frequency of carrier wave

B

The frequency of modulated wave varies as amplitude of modulating wave

C

the amplitude of modulated wve varies as aomplitude of carrier wave

D

The frequency of modulated wave varies as frequency of modulating wave

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

Similar Questions

Explore conceptually related problems

Distinguish between amplitude modulation and frequency modulation.

The difference between phase and frequency modulation

The transmission band width in wide band frequency modulation is

If f_(0) and f_(f) represent the carrier wave frequencies for amplitude and frequency modulations respectively, then

Assertion: Amplitude modulation shows more interference than frequency modulation with noise. Reason: Interference is function of amplitude of modulation wave with carrier wave.

Both amplitude modulation (AM) and frequency modulation (FM) are used for radio broadcasting. The amplitude of the high frequency carrier wave is varied or modulated in accordance with the variations in the amplitude of the audio signals that are to be transmitted, in te process of amplitude modulation in frequency modulation te amplitude of the carrier remains constant but its frequency is varied inn accordance withh the audio signal. Reception with AM signals is in general is affected by interference of various kinds ad elaborated equipment is required for FM broadcast. A radio frequency carrier wave can be modulated using a-

Both amplitude modulation (AM) and frequency modulation (FM) are used for radio broadcasting. The amplitude of the high frequency carrier wave is varied or modulated in accordance with the variations in the amplitude of the audio signals that are to be transmitted, in te process of amplitude modulation in frequency modulation te amplitude of the carrier remains constant but its frequency is varied inn accordance withh the audio signal. Reception with AM signals is in general is affected by interference of various kinds ad elaborated equipment is required for FM broadcast. In india the radio signals are boarcast using-

Both amplitude modulation (AM) and frequency modulation (FM) are used for radio broadcasting. The amplitude of the high frequency carrier wave is varied or modulated in accordance with the variations in the amplitude of the audio signals that are to be transmitted, in te process of amplitude modulation in frequency modulation te amplitude of the carrier remains constant but its frequency is varied inn accordance withh the audio signal. Reception with AM signals is in general is affected by interference of various kinds ad elaborated equipment is required for FM broadcast. The rangeof a transmitter is

DISHA-COMMUNICATION SYSTEM-Physics
  1. An oscillator is producing FM waves of requency 2kHz with a variation ...

    Text Solution

    |

  2. If f(0) and f(f) represent the carrier wave frequencies for amplitude ...

    Text Solution

    |

  3. An antenna is a device

    Text Solution

    |

  4. While tuning in a certain broad cast station with a receiver, we are a...

    Text Solution

    |

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

    Text Solution

    |

  6. In an FM system a 7kHz signal modulates 108 MHz carrier so that freque...

    Text Solution

    |

  7. The phenomenon by which light travels in an optical fibres is

    Text Solution

    |

  8. In frequency modulation

    Text Solution

    |

  9. Audio signal cannot be transmitted because

    Text Solution

    |

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

    Text Solution

    |

  11. What should be the maximum acceptance angle at the aircore interface o...

    Text Solution

    |

  12. In which of the following remote sensing technique is not used?

    Text Solution

    |

  13. What type of modulation is employed in india for radio transmission

    Text Solution

    |

  14. Which of the following are the characteristics of Laser beams? (1) The...

    Text Solution

    |

  15. The electron density of a layer of ionosphere at a height 150 km from ...

    Text Solution

    |

  16. The electron density of a layer of ionosphere at a height 150 km from ...

    Text Solution

    |

  17. The electron density of a layer of ionosphere at a height 150 km from ...

    Text Solution

    |

  18. Statement-I : Television signals are received through sky-wave propaga...

    Text Solution

    |

  19. Assertion: The electromagnetic waves of shorter wavelength can travel ...

    Text Solution

    |

  20. Assertion: A dish antenna is highly directional. Reasion: This is be...

    Text Solution

    |