Home
Class 12
PHYSICS
A signal wave of frequency 12KHz is modu...

A signal wave of frequency 12KHz is modulated with a carrier wave of freqeuncy 2.51MHz the upper and lower side band frequencies are respectively

A

2512 kHz and 2508 kHz

B

2522 kHz and 2488 kHz

C

2502 kHz and 2498 kHz

D

2522 kHz and 2498 kHz

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    AAKASH SERIES|Exercise LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - IV) (Straight Objective & More than one Correct Answer Type Questions)|20 Videos

  • COMMUNICATION SYSTEM

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

A signal wave of frequency 12 kHz is modulated with a carrier wave of frequency 2-51 MHz. The upper and lower side band frequencies are respectively.

A signal wave of frequency 12 kHz is modulated with a carrier wave of frequency 2-51 MHz. The upper and lower side band frequencies are respectively.

A single of 5 kHz frequency is amplitude modulated on a carrier wave of frequency 2 MHz. The frequencies of the resultant signal is/are :-

In amplitude modulation, carrier wave frequencies are:

The frequency of amplitude modulated wave is equal to

A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz , using amplitude modulation. The frequencies of the side bands will be

A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz , using amplitude modulation. The frequencies of the side bands will be

A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz , using amplitude modulation. The frequencies of the side bands will be

A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz , using amplitude modulation. The frequencies of the side bands will be

A signal of frequency 20 kHz and peak voltage of 5 volt is used to modulate a carrier wave of frequency 1.2 MHz and peak voltage 25 volts. Choose the correct statement.

AAKASH SERIES-COMMUNICATION SYSTEM -LECTURE SHEET (LEVEL - I) (MAIN) (EXERCISE - III) (Straight Objective & More than one Correct Answer Type Questions)
  1. In AM wave, carrier power is given by-

    Text Solution

    |

  2. In AM wave total power of side bands is given by :

    Text Solution

    |

  3. Fraction of total power carried by side bands is given by-

    Text Solution

    |

  4. Modulation factor determines-

    Text Solution

    |

  5. if the maximum and minimum voltage of AM wave are V(max) and V(min), r...

    Text Solution

    |

  6. When m=1 ,power carried by side bands is:

    Text Solution

    |

  7. Which of the following is/are the limitations of amplitude modulation?

    Text Solution

    |

  8. Degree of modulation-

    Text Solution

    |

  9. A signal wave of frequency 12KHz is modulated with a carrier wave of f...

    Text Solution

    |

  10. The antenna current of an AM transmitter is 8A when only the carrier i...

    Text Solution

    |

  11. A 1kW signal is transmitted using a communication channel which provid...

    Text Solution

    |

  12. A speech signal of 3 KHz is used to modulate a carrier signal of frequ...

    Text Solution

    |

  13. A message signal of frequency omega(m) is superposed on a carrier wave...

    Text Solution

    |

  14. 1-V characteristics of four devices are shown in figure. Identif...

    Text Solution

    |

  15. A male voice after modulation transmission sounds like that of a femal...

    Text Solution

    |

  16. Identify the mathematical expression for amplitude modulated wave.

    Text Solution

    |

  17. Audio sine waves of 3 kHz frequency are used to amplitude modulate a c...

    Text Solution

    |

  18. The frequency response curve (figure) for the filter circuit used for ...

    Text Solution

    |

  19. In amplitude modulation, the modulation index m, is kept less than or ...

    Text Solution

    |

  20. An amplitude modulated wave is as shown in Fig. Which of the foll...

    Text Solution

    |