Home
Class 12
PHYSICS
An audio signal of amplitude 0.1 V is us...

An audio signal of amplitude 0.1 V is used is used in amplitude modulation of a carrier wave of amplitude 0.2 V. Calculate the modulation index.

Text Solution

Verified by Experts

`mu=(A_(m))/(A_(c))=0.1/0.2=0.5`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • CHAPTERWISE NUMERIC /INTEGER ANSWER QUESTIONS

    DISHA PUBLICATION|Exercise CHAPTER 28 : (SEMICONDUCTOR ELECTRONICS; MATERIALS, DEVICES AND SIMPLE CIRCUITS)|15 Videos

  • ATOMS

    DISHA PUBLICATION|Exercise EXERCISE-2: CONCEPT APPLICATOR|30 Videos

  • COMMUNICATION SYSTEM

    DISHA PUBLICATION|Exercise EXERCISE-2 : Concept Applicator|30 Videos

Similar Questions

Explore conceptually related problems

An audio signal of amplitude one half the carrier amplitude is used in amplitude modulation.Calculate the modulation index?

An audio signal of amplitude one half the carrier amplitude is used in amplitude modulation.Calculate the modulation index?

Knowledge Check

  • An audio signal of 0.1 V is used in amplitude modulation of a career wave of amplitude 0.3. The modulation index is

    A
    3
    B
    `1/3`
    C
    `0.03`
    D
    None of these

  • In amplitude modulation, carrier wave frequencies are:

    A
    lower compared to those in frequency modulation.
    B
    higher compared to those in frequency modulation.
    C
    same as in frequency modulation.
    D
    lower sometimes and higher sometimes to those in frequency modulation

  • A sinusoidal voltage is used to amplitude modulate a sinusoidal voltage of amplitude 1 KV. This results in the production of two side bands, each of amplitude 200 V. What is the modulation index ?

    A
    0.1
    B
    0.2
    C
    0.3
    D
    0.4

    • Similar Questions

    Explore conceptually related problems

    Explain the term , 'amplitude modulation' of a signal . For an amplitude modulated wave, the maximum amplitude is 10 V and the minimum amplitude is 2 V.Calculate the modulation index.

    An audio signal of amplitude one half the carrier amplitude is employed in amplitude modulation. What is the modulation index?

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

    An audio signal of amplitude one half the carrier amplitude is used in an amplitude modulation. The modulation index is

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

    Home
    Profile