Computer · Communication Systems
A certain AM transmitter radiates 125 kW when a single audio sine wave modulates it to a depth of 70%. When a second sinusoidal audio wave modulates it simultaneously, the total radiated power increases to 144.5 kW. What is the modulation index for the second audio wave?
- 1√0.1
- 2√0.2
- 3√0.3
- 4√0.4✓
Correct answer
√0.4
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