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Question

In frequency modulation, the amplitude of modulated carrier signal is ______and its frequency is ______ by the modulating message signal.

a.

Constant, constant

b.

Varied, constant

c.

Constant, varied

d.

Varied, varied

Posted under Modulation Techniques for Mobile Radio Wireless and Mobile Communications

Answer: (c).Constant, varied

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Q. In frequency modulation, the amplitude of modulated carrier signal is ______and its frequency is ______ by the modulating message signal.
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