An audio signal represented as \[25\,\sin \,2\pi (2000\,t)\]amplitude – McqOptions

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1.	An audio signal represented as \[25\,\sin \,2\pi (2000\,t)\]amplitude modulated by a carrier wave: \[60\,\sin \,2\pi (100\,,\,000)t\]. The modulation index of the modulated signal is
A.	\[25%\]
B.	\[41.6%\]
C.	\[50%\]
D.	\[75%\]
Answer» C. \[50%\]

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