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    College Physics Study Set 4
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    Exam 21: Alternating Current Circuits and Electromagnetic Waves
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    A Radio Wave Transmits 1
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A Radio Wave Transmits 1

Question 62

Question 62

Multiple Choice

A radio wave transmits 1.2 W/m2 average power per unit area.What is the peak value of the associated magnetic field? (m0 = 4p x 10-7 T*m/A and c = 3.00 x 108 m/s)


A) 1.0 x 10-7 T
B) 8.4 x 10-3 T
C) 1.2 T
D) 30 T

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