FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E8B04

From subelement E8 - E8B

E8B04
Answer: B

What is the modulation index of an FM phone signal having a maximum carrier deviation of plus or minus 6 kHz if the highest modulating frequency is 2 kHz?

A0.3
B3
C0.6
D6