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# Solution: Determine the modulation index and total power radiated

#### Problem Statement: Principles of Communications

Amplitude Modulation Problem Solving

A certain AM transmitter radiates 10 kW with the carrier modulated, and 11.8 kw when the carrier is şinusoidally modulated. Calculate the modulation index. If another sine wave corresponding 30% modulation is transmitted simultaneously, determine the total power radiated.

A. 0.75

B. 0.6

C. 0.85

D. 0.9

The modulation index is equal to 0.6 and the total power radiated is equal to 10.45 kW.

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