An oscillator is producing FM waves of freque | vedclass

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(B) The modulation index $(m_f)$ for frequency modulation is defined as the ratio of the frequency deviation $(\delta)$ to the modulating frequency $(

Vedclass · Accepted Answer

$5$

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(B) The modulation index $(m_f)$ for frequency modulation is defined as the ratio of the frequency deviation $(\delta)$ to the modulating frequency $(
u_m)$.The formula is given by:$m_f = \frac{\delta}{
u_m}$Given:Frequency variation (deviation), $\delta = 10 	ext{ kHz} = 10 	imes 10^3 	ext{ Hz}$Modulating frequency, $
u_m = 2 	ext{ kHz} = 2 	imes 10^3 	ext{ Hz}$Substituting the values into the formula:$m_f = \frac{10 	imes 10^3}{2 	imes 10^3} = 5$Therefore, the modulation index is $5$.

An oscillator is producing $FM$ waves of frequency $2 \text{ kHz}$ with a frequency variation of $10 \text{ kHz}$. What is the modulation index?

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