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Question

The total power content of an A.M wave is 6000W. For 100% modulation, the power transmitted by the carrier is then

A
500W
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B
700W
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C
750W
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D
4000W
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Solution

The correct option is D 4000W

Given.

Total Power content Pt=6000W

Modulation m=100

Carrier transmitted power, Pc

Pt=Pc(1+m22)

6000=Pc(1+12)

Pc=4000W

Hence, Carrier transmitted power is 4000W


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