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In frequency modulation, noise gets decreased if we decrease deviation.

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In frequency modulation, noise gets decreased if we decrease deviation.

(a) True

(b) False

The question was posed to me by my college professor while I was bunking the class.

I'd like to ask this question from Comparison Between PM and AM topic in chapter Noise of Analog Communications

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The correct option is (b) False

Best explanation: In frequency modulation, noise is inversely proportional to the frequency deviation. Thus noise also starts decreasing if we increase deviation.

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