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The equation of an FM signal is e = 6 si...

The equation of an FM signal is e = 6 sin `(10^(6)` t + 4 sin `10^(3)` t ) . Then, the modulating frequency is

A

1000 Hz

B

500 Hz

C

300 Hz

D

159 Hz

Text Solution

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The correct Answer is:
D
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