If `E_(c)` = 20 sin `10^(5) pi t and E_(m)` = 10 sin 400 `pi t` are carrier and modulating signals, the modulation index is

Options

A. 0.56
B. 0.3
C. 0.5
D. 0.48

Answer

C

Explanation

`m = (E_(m))/(E_(c)) = 50%`