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A sinusoidal carrier has an amplitude of 10 V and frequency 30 kHz. It is amplitude modulated by a sinusoidal voltage of amplitude 3 V and frequency 1 kHz. The spectrum of AM wave will be represented as
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A sinusoidal carrier has an amplitude of 10 V and frequency 30 kHz. It...
Given,

∴ Modulation index,

The sideband frequencies are as under:

Amplitude of each sideband

Hence, the spectrum of AM wave will be as shown in figure below.
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A sinusoidal carrier has an amplitude of 10 V and frequency 30 kHz. It is amplitude modulated by a sinusoidal voltage of amplitude 3 V and frequency 1 kHz. The spectrum of AM wave will be represented asa)b)c)d)Correct answer is option 'A'. Can you explain this answer?
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