Question

A modulating signal is a square wave, as shown in the figure If the carrier wave is given as $c ( t )=2 \sin (8 \pi t)$ volts, the modulation index is:

• A. $\frac{1}{3}$
• B. 1
• C. $\frac{1}{2}$
• D. $\frac{1}{4}$

Answer 1

Answer: (C)

$\frac{1}{2}$

Answer 2

Modulation index
= Amplitude of carrier wave Amplitude of mod ulating signal ​
μ=21​