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Electromagnetic Waves Are Radiated Uniformly in All Directions from a Source

Question 46

Multiple Choice

Electromagnetic waves are radiated uniformly in all directions from a source. The rms electric field of the waves is measured 35 km from the source to have an rms value of 0.012 N/C. Determine the average total power radiated by the source.


A) 5.9 × 103 W
B) 9.0 × 103 W
C) 2.4 × 104 W
D) 6.3 × 104 W
E) 1.6 × 105 W

Correct Answer:

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