A message signal of frequency \( 10 \mathrm{kHz} \) and peak voltag...

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A message signal of frequency \( 10 \mathrm{kHz} \) and peak voltage of \( 10 \mathrm{~V} \) is used to modulate a carrier of frequency \( 1 \mathrm{MHz} \) and peak voltage of \( 20 \mathrm{~V} \). Determine the modulation index.
(a) \( 0.5 \)
(b) \( 0.2 \)
(c) 2
(d) 5
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