Question

Find the modulation index of an AM wave having 8 V variation where maximum amplitude of the AM wave is 9 V.

• A. 0.8
• B. 0.5
• C. 0.2
• D. 0.1

Answer 1

Answer: (A)

0.8

Answer 2

$\mu = \frac{\frac{8}{2}}{9 - \frac{8}{2}}$

$μ=\frac{4}{5}$
$μ=0.8$
So, the correct option is (A): 0.8