Home
Class 11
PHYSICS
The minimum voltage in an amplitude modu...

The minimum voltage in an amplitude modulated wave is 3 V and maximum voltage 11 V . The % modulation index is

A

`22.07%`

B

`57.14%`

C

`81.21%`

D

`112.28%`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    TARGET PUBLICATION|Exercise Competitive Thinking|46 Videos
  • ELECTRONS AND PHOTONS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos

Similar Questions

Explore conceptually related problems

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

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

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

An amplitude modulated wave is as shown in figure . Then , the modulation index will be

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

The maximum and minimum amplitude of an amplitude modulated wave is 16V and 8V respectively. The modulation index for this amplitude modulated wave is "x"xx10^(-2) . The value of x is "_____"

Production Of Amplitude Modulated Wave

(a) If A and B represent the maximum amplitudes of an amplitude modulated wave, wrigte the expression for the modulation index in terms of A and B. (b) A message signal of frequency 20 kHz and peak voltage 10 V is used to modulate a carrier of frequency 2 MHz and peak voltage of 15 V. Calculate the modulation index. Why the modulation index is generally less than one ?

For an amplitude modulated wave the max voltage is 16 volts and minimum voltage is 8 volts then if the modulation factor n*10^(-2) then n is ?

A message single of frequency 100 MHz and peak voltage 100 V is used to execute amplitude modulation on a carrier wave of frequency 300 GHz and peak voltage 400 V. The modulation index and difference between the two side band frequencies are: