Question

An oscillator is producing $FM$ waves of frequency $2KHz$ with a variation of $12KHz$. What is the modulating index?

• A. $0.20$
• B. $0.1667$
• C. $0.09$
• D. $6$

Answer 1

Answer: (D)

We know that $m_f=\frac{8}{f_m}=\frac{12}{2}=6$