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A message signal of frequency 20 kHz and...

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 :

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A message signal of frequency 10kHz and peak voltage 10 volt is used to modulate a carrier of frequency 1 MHz and peak voltage 20 volt. Find the modulation index.

A message signal of frequency 10 kHz and peak voltage 10 volt is used to modulate a carrier of frequency 1 MHz and peak voltage 20 volt. Find the modulation index.

Knowledge Check

  • A message signal of frequency 60 kHz and peak voltage 8 V is used modulate a carrier of frequency 2 MHz and peak voltage of 20 V. Then

    A
    The frequencies of the side bands are 2050 Hzand 1940 Hz
    B
    The frequencies of the side bands are 2040 Hz and 1940 Hz
    C
    The modulation index is 0.8
    D
    The modulation index is 0.4

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    A message signal of frequency 12 kHz and peak voltage 12 volt is used to modulate a carrier of frequency 1 MHz and peak voltage 24 volt. What is the modulation index and the side bands produced ?

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