A) \[{{\omega }_{m}}\]
B) \[{{\omega }_{m}}^{2}\]
C) \[\frac{1}{{{\omega }_{m}}}\]
D) \[\frac{1}{{{\omega }_{m}}^{2}}\]
E) None of these
Correct Answer: C
Solution :
In FM modulation, \[m=\frac{{{\delta }_{\max }}}{{{f}_{m}}}=\frac{2\pi {{\delta }_{\max }}}{2\pi {{f}_{m}}}\] \[=\frac{2\pi {{\delta }_{\max }}}{{{\omega }_{m}}}\] \[\therefore \] \[m\propto \frac{1}{{{\omega }_{m}}}\]
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