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Question

# An oscillator is producing FM waves of frequency 2kHz with avariation of 10kHz. The modulating index=?0.250.671.5

A
0.2
B
5
C
1.5
D
0.67
Solution
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#### Modulation Index , mf=Maximum frequency deviationModulating frequency⇒mf=10kHz2kHz⇒mf=5

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