Answered: Depending on the situation, a cell…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Electromagnetic Waves

Section: Chapter Questions

Problem 59P

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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

Computer's answer now shown above. You are correct.
Your receipt no. is 164-1757

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

Computer's answer now shown above. You are correct.
Your receipt no. is 164-4292

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c) Calculate the peak electric field strength E₀ in these waves.
N/C

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

ANSWER C AND D

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