When the modulating frequency is doubled, the modulation index is halv – McqOptions

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1.	When the modulating frequency is doubled, the modulation index is halved and the modulating voltage remains constant, the modulation system is
A.	Amplitude modulation
B.	Phase modulation
C.	\[\frac{{{r}_{1}}+{{r}_{2}}}{2}\]
D.	All of the above
Answer» D. All of the above

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