In an FM system a 7 kHz signal modulates 108 MHz carrier so that frequency deviation is 50 kHz. The carrier swing is

7.143

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0.71

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350

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Solution

The correct option is A 7.143
Carrier swing = $\frac{F r e q u e n c y d e v i a t i o n}{M o d u l a t i n g f r e q u e n c y} = \frac{50}{7}$ = 7.143

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