A carrier signal 60 sin(2pi times 10^6 t) is | vedclass

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(C) The modulation index $(m_a)$ is defined as the ratio of the amplitude of the modulating signal $(E_m)$ to the amplitude of the carrier signal $(E_

Vedclass · Accepted Answer

$25$

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(C) The modulation index $(m_a)$ is defined as the ratio of the amplitude of the modulating signal $(E_m)$ to the amplitude of the carrier signal $(E_c)$.Given:Amplitude of modulating signal,$E_m = 15 	ext{ V}$.Amplitude of carrier signal,$E_c = 60 	ext{ V}$.The depth of modulation in percentage is given by:$	ext{Depth of modulation} = \frac{E_m}{E_c} 	imes 100$$= \frac{15}{60} 	imes 100$$= \frac{1}{4} 	imes 100 = 25\%$.

$A$ carrier signal $60 \sin(2\pi \times 10^6 t)$ is used to modulate an audio signal $15 \sin(300 \pi t)$. The depth of modulation is .......... $\%$.

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