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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Communication Systems
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A 1KHz modulating voltage is supplied to a FM(frequency modulator) produces a frquency deviation of 1.2KHz.The modulating index is

$\begin{array}{1 1}(a)\;1.2\\(b)\;12\\(c)\;3.1\\(d)\;31\end{array}$

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