Home
Class 12
PHYSICS
In an FM system a 7 kHz signal modulates...

In an `FM` system a `7 kHz` signal modulates `108 MHz` carrier so that frequency deviation is `50 kHz`. The frequency modulation index is

A

7.143

B

8

C

0.71

D

350

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    ERRORLESS |Exercise A R|1 Videos

  • ATOMIC AND NUCLEAR PHYSICS

    ERRORLESS |Exercise S ET|1 Videos

  • CURRENT ELECTRICITY

    ERRORLESS |Exercise Self Evaluation Test -19|23 Videos

Similar Questions

Explore conceptually related problems

In an FM system a 9 kHz signal modulates 108 MHz carrier so that frequency deviation is 60 kHz . The frequency modulation index is

In an FM system a 7kHz signal modulates 108 MHz carrier so that frequency deviation is 50 kHz . The carrier swing is

An audio signal of 2.8 kHz modulates a carrier of frequency deviation of 56 kHz. Calculate. (i) frequency modulation index (ii) frequency range of FM wave.

An audio signal of 3.2 kHz modulates a carrier of frequency 84 kHz and producer a deviation of 96kHz. Find (i) frequency modulation index and (ii) frequency range of the FM wave.

A 100 MHz xarrier wave frequency is modulated by 10 kHz sinusoidal modulating signal. If the maximum frequency deviation is 50 kHz, find the modulation index.

An audio signal of 2.8 kHz modulates a carrier of frequency 84 MHz and produces a frequency of deviation of 56kHz. Calculate(i) Frequency modulation index(ii) Frequency range of FM wave.

A 107.6 MHz carrier signal is frequency modulated by a 7kHz sine wave . The resultant FM signal has a frequency deviation of 50 kHz. Determine the modulation index and the carrier swing of the FM wave

A signal of 5 kHz frequency is amplitade modulated on a carrue wave of frequency 2MHz . The frequency of the resulant signal is //are

A message signal of frequency 20 kHz and peak voltage of 20 volt is used to modulate a carrier wave of frequency 1 MHz and peak voltage of 20 volt. The modulation index will be :

An oscillator is producing FM waves of requency 2kHz with a variation of 10kHz . What is modulating index?