An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index ? An oscillator is producing FM waves of frequency 2 kHz with a variation of 10 kHz. What is the modulating index ? October 22, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related