Depending on the situation, a cell phone will project between 0.02 W and 2 W of radiowave radiation. While using your phone, you measure the output and find that your phone is producing radiowaves at a rate of 0.36 Watts. A) At a distance of 15 cm, what is the average intensity of these waves?

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Chapter1: Units, Trigonometry. And Vectors
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Depending on the situation, a cell phone will project between 0.02 W and 2 W of radiowave radiation. While using your phone, you measure the output and find that your phone is producing radiowaves at a rate of 0.36 Watts.

A) At a distance of 15 cm, what is the average intensity of these waves?
1.27 W/m2

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B) What is the peak intensity of the wave at this distance?
2.55 W/m2

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c) Calculate the peak electric field strength E0 in these waves.
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D)Calculate the peak magnetic field strength B0 in these waves.
 

ANSWER C AND D

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