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A Radio Transmitter Is Operating at an Average Power Of 4.00

Question 36

Multiple Choice

A radio transmitter is operating at an average power of 4.00 kW4.00 \mathrm {~kW} and is radiating uniformly in all directions.What is the average intensity of the signal 8.00 km8.00 \mathrm {~km} from the transmitter?


A) 4.97 μW/m2
B) 2.49 μW/m2
C) 0.00497 W/m2
D) 0.00249 W/m2

Correct Answer:

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