The carrier wave of a signal is given by \( C(t)=3 \sin (8 \pi t) \) volt. The modulating signal...

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The carrier wave of a signal is given by \( C(t)=3 \sin (8 \pi t) \) volt. The modulating signal is a square wave as shown. Find modulation index.
(a) 0.1
(b) 0.2
(c) 0.4
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