In an FM system a $7 k H z$ signal modulated $108 M H z$ carries so that frequency deviation is $50 H z$ . The carrier swing is

7.143

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8

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0.71

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350

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Solution

The correct option is C $7.143$
$C a r r i e r s w i n g$ $= \frac{F r e q u e n c y d e v i a t i o n}{M o d u l a t i n g f r e q u e n c y} = \frac{50}{7} = 7.143$
Hence , correct option is (A) .

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