$A$ message signal of frequency $10 kHz$ and peak voltage of $15 V$ is used to modulate a carrier frequency of $1 MHz$ and peak voltage of $30 V$. Determine the modulation index.

  • A
    $0.5$
  • B
    $0.6$
  • C
    $0.7$
  • D
    $0.8$

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