CUET Preparation Today
For an audio signal of amplitude 0.1 V, used in amplitude modulation of a carrier wave of amplitude 0.2 V, the modulation index would be: |
0.6 0.5 0.4 0.3 |
0.5 |
The correct answer is Option (2) → 0.5 The modulation index (m) is - $m=\frac{A_m}{A_c}=\frac{0.1}{0.2}=0.5$ |
