Search any question & find its solution
Question:
Answered & Verified by Expert
A message signal of frequency $8 \mathrm{kHz}$ and peak voltage $12 \mathrm{~V}$ is used to modulate a carrier of frequency 1.2 MHz and peak voltage $20 \mathrm{~V}$. The modulation index is
Options:
Solution:
2964 Upvotes
Verified Answer
The correct answer is:
0.6
$\begin{aligned} & \text { Modulation index }=\frac{\mathrm{A}_{\mathrm{m}}}{\mathrm{A}_{\mathrm{c}}} \\ & =\frac{12}{20}=\frac{3}{5}=0.6\end{aligned}$
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.