Home
Class 12
PHYSICS
A carrier wave of peak voltage 12 V is u...

A carrier wave of peak voltage 12 V is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 75%?

A

5V

B

9V

C

12 V

D

15 V

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • PRACTICE PAPPER

    NCERT FINGERTIPS|Exercise Practice Paper 2|50 Videos

  • PRACTICE PAPPER

    NCERT FINGERTIPS|Exercise Practice Paper 3|50 Videos

  • NUCLEI

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

A carrier wave of peak voltage 12 V is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation intex of 75 % ?

A carrier wave of peak voltage 15 V, is used to transmit a message signal. What should be the peak voltage of the modulating signal in order to have a modulation index of 40% ?

A carrier wave of peak voltage 20 V is used to transmit a message signal. What should be the peak voltage of modulating signal, in order to have 80% modulating index?

A carrier wave of peak voltage 15 V is used to transmit a message signal. Find the peak voltage of the modulating signal in order to have a modulation index of 60%.

A carrier wave of peak voltage 12 V is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of 75% is

A carrier wave of peak voltage 12 V is used to transmit a message signal . The peak voltage of the modulating signal in order to have a modulation index of 75 % is

A carrier wave of peak voltage 10 V is used to transmit a message signal. The peak voltage of the modulating signal in order to have a modulation index of 80% is

A carrier wave of peak voltage 14 V is used for transmitting a message signal. The peak voltage of modulating signal given to achieve a modulation index of 80% will be :

A sinusoidal carrier wave of amplitude 40 V is amplitude modulated by a sinusoidal signal voltage. What is the amplitude of each side band if the modulation index is 25%.

NCERT FINGERTIPS-PRACTICE PAPPER-Practice Paper 3
  1. A carrier wave of peak voltage 12 V is used to transmit a message sign...

    Text Solution

    |

  2. When a pentavalent imputrity is added in Ge crystal then, what type of...

    Text Solution

    |

  3. A thin metal plate P is inserted between the plates of a parallel-plat...

    Text Solution

    |

  4. A positively charged thin metal ring of radius R is fixed in the xy pl...

    Text Solution

    |

  5. A voltmeter having a resistance of 1800 Omega employed to measure the ...

    Text Solution

    |

  6. A microammeter has as resistance of 100 Omega and full scale range of ...

    Text Solution

    |

  7. A 100 W bulb B(1) and two 60 W bulbs B(2) and B(3), are connected to a...

    Text Solution

    |

  8. A short conducting rod P of length 3.0 cm is placed parallel to an nea...

    Text Solution

    |

  9. A rectangular loop carrying a current i is situated near a long strai...

    Text Solution

    |

  10. An electron and a proton enter a magnetic field at right angles to the...

    Text Solution

    |

  11. A gang capacitor is formed by interlocking a number of plates as shown...

    Text Solution

    |

  12. A galvanometer of resistance 25Omega is connected to a battery of 2 vo...

    Text Solution

    |

  13. A rectangular coil of 20 turns and area of cross-section 25 cm^(2) has...

    Text Solution

    |

  14. For perfectly coupled coils, the coupling coefficient should be equal ...

    Text Solution

    |

  15. A 200 muF capacitor in series with a 100 Omega resistance is connected...

    Text Solution

    |

  16. The efficiency of a transformer is 90%. The transformer is rated for o...

    Text Solution

    |

  17. In an experiment to find focal length of a concave mirror, a graph is ...

    Text Solution

    |

  18. In a reflecting astronomical telescope, if the objetcive (a spherical ...

    Text Solution

    |

  19. Which one of the following is a possible nuclear reaction ?

    Text Solution

    |

  20. A 5 W source emits monochromatic light of wavelength 5000 Å. When plac...

    Text Solution

    |

  21. Calculate in how many months , (3/4)^(th) of the substance will dacay,...

    Text Solution

    |