An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kH

Question

An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index

Options:

A . 0.20

B . 5.0

C . 0.67

D . 1.5

Answer: Option B
:
B
The formula for modulation index is given by

m_{f} = \frac{δ}{v_{m}} = \frac{F r e q u e n c y v a r i a t i o n}{M o d u l a t i n g f r e q u e n c y} = \frac{10 \times 10^{3}}{2 \times 10^{3}} = 5

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