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Communication Systems

Q1: Each of the following statements regarding frequency modulation is true except

A amplitude of the modulated wave remains the same as that of carrier wave

B the amount of variation of deviation from the original carrier frequency is determined by the frequency of the modulating signal

C the rate at which the frequency of modulated wave varies is determined by the frequency of the modulating signal

D frequency of modulated wave increases as the signal voltage increases and vice-versa

ANS:B - the amount of variation of deviation from the original carrier frequency is determined by the frequency of the modulating signal

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