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Q.

A 400 watt carrier is modulated to a depth of 80% . Calculate the total power in the modulated wave

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a

528 W

b

128 W

c

256 W

d

400 W

answer is A.

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Detailed Solution

Pt=Pc=1+μ22=4001+(0.8)22=4001+0.642⇒Pt=400(1+0.32)⇒Pt=400(1.32)=528W
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